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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem’s R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantiti

High purity Tetrahydro-4H-pyran-4-one 98% TOP1 supplier in China

Cas:29943-42-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality Tetrahydro-4H-Pyran-4-One supplier in China

Cas:29943-42-8

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Factory supply Tetrahydro-4H-pyran-4-one CAS 29943-42-8 with low price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Fee

Factory supply Tetrahydro-4H-pyran-4-one CAS 29943-42-8 with low price

Cas:29943-42-8

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply Tetrahydro-4H-pyran-4-one

Cas:29943-42-8

Min.Order:1

Negotiable

Type:Other

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COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

Tetrahydro-4H-Pyran-4-One

Cas:29943-42-8

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

2,3,5,6-Tetrahydro-4-pyranone

Cas:29943-42-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name Tetrahydro-4H-pyran-4-one CAS No. 29943-42-8

Tetrahydro-4H-pyran-4-one

Cas:29943-42-8

Min.Order:1 Metric Ton

FOB Price: $12.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.

29943-42-8

Cas:29943-42-8

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

Tetrahydro-4H-pyran-4-one

Cas:29943-42-8

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Top Purity CAS 29943-42-8 with fast shipping

Cas:29943-42-8

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product name Tetrahydro-4H-pyran-4-one Synonyms Tetrahydro-4-pyrone;TETRAHYDRO-GAMMA-PYRONE;TETRAHYDROPYRAN-4-ONE;TETRAHYDRO-4H-PYRAN-4-ONE;TETRAHYDRO-2H-PYRAN-4-ONE;4-OX

Tetrahydro-4H-pyran-4-one

Cas:29943-42-8

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:liquid Storage:Store in sealed containers at cool & dry plac

Directly Supply For Tetrahydro-4H-pyran-4-one Cas 29943-42-8

Cas:29943-42-8

Min.Order:100 Gram

Negotiable

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

Tetrahydro-4H-pyran-4-one 29943-42-8

Cas:29943-42-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

chemical intermediate, Tetrahydro-4H-pyran-4-one CAS:29943-42-8

Cas:29943-42-8

Min.Order:1 Kilogram

FOB Price: $54.0 / 68.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

Tetrahydro-2H-pyran-4-one CAS:29943-42-8 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organi

Tetrahydro-2H-pyran-4-one CAS:29943-42-8

Cas:29943-42-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Tetrahydro-4H-pyran-4-one

Cas:29943-42-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:29943-42-8

Cas:29943-42-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

TIANFUCHEM--High purity Tetrahydro-4H-pyran-4-one factory price

Cas:29943-42-8

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures

Tetrahydro-2H-pyran-4-one

Cas:29943-42-8

Min.Order:1 Kilogram

FOB Price: $380.0 / 400.0

Type:Lab/Research institutions

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Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

Tetrahydro-4H-pyran-4-one

Cas:29943-42-8

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

Tetrahydro-4H-pyran-4-one

Cas:29943-42-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

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SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

oxan-4-one

Cas:29943-42-8

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Featured products Tetrahydro-4H-pyran-4-one

Cas:29943-42-8

Min.Order:100 Gram

Negotiable

Type:Other

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Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

High quality Tetrahydro-4H-Pyran-4-One

Cas:29943-42-8

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Hangzhou Lingrui Chemical Co.,Ltd.

Tetrahydro-4H-pyran-4-oneAppearance:liquid Storage:cool temperature Package:according to customers' requirements Application:intermediate Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by sea(FOB or CIF or CNF ect...)or according to your

Tetrahydro-4H-pyran-4-one

Cas:29943-42-8

Min.Order:1 Gram

Negotiable

Type:Other

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Siwei Development Group Ltd.

Product name: Tetrahydro-4H-Pyran-4-One CAS No.: 29943-42-8 Molecule Formula:C5H8O2 Molecule Weight:100.12 Purity: 98.0% Package: 25kg/drum Description:Colorless transparent powder Manufacture Standards:Enterprise Standard

Lower Price Tetrahydro-4H-Pyran-4-One on stock

Cas:29943-42-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

Tetrahydro-4H-pyran-4-one

Cas:29943-42-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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HANGZHOU TIANYE CHEMICALS CO., LTD.

We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Product Name:Tetrahydro-4H-pyran-4-one CAS No:29943

Tetrahydro-4H-pyran-4-one

Cas:29943-42-8

Min.Order:1 Gram

Negotiable

Type:Trading Company

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Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

Tetrahydro-4H-pyran-4-one

Cas:29943-42-8

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Synthetic route

carbon dioxide
124-38-9

carbon dioxide

3-oxa-1,5-dichloropentane
111-44-4

3-oxa-1,5-dichloropentane

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
With cesium iodide In ethanol; water at 90℃; under 8250.83 Torr; Temperature; Pressure;95.9%
4-nitrosotetrahydro-2H-pyran-4-yl 2,2,2-trichloroacetate
1194657-31-2

4-nitrosotetrahydro-2H-pyran-4-yl 2,2,2-trichloroacetate

A

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

B

dinitrogen monoxide
10024-97-2

dinitrogen monoxide

C

trichloroacetic acid
76-03-9

trichloroacetic acid

Conditions
ConditionsYield
With water In methanol; aq. phosphate buffer at 20℃; for 24h; pH=7.4; Kinetics; Reagent/catalyst; Sealed tube;A n/a
B 95%
C n/a
4-nitrosotetrahydro-2H-pyran-4-yl 2,2-dichloropropanoate

4-nitrosotetrahydro-2H-pyran-4-yl 2,2-dichloropropanoate

A

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

B

2,2-Dichloropropionic acid
75-99-0

2,2-Dichloropropionic acid

C

dinitrogen monoxide
10024-97-2

dinitrogen monoxide

Conditions
ConditionsYield
With water In methanol; aq. phosphate buffer at 20℃; for 24h; pH=7.4; Kinetics; Reagent/catalyst; Sealed tube;A n/a
B n/a
C 92%
4-pyrone
108-97-4

4-pyrone

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
With 5%-palladium/activated carbon; hydrogen In methanol; toluene at 20℃; for 5h;86%
With hydrogen; 5% palladium/carbon hydrated In ethanol; toluene at 20℃; for 3 - 8.5h; Product distribution / selectivity;85.4%
With hydrogen; palladium on activated carbon In toluene at 20℃; for 12h; Product distribution / selectivity;77%
Tetrahydro-pyran-4-ol
2081-44-9

Tetrahydro-pyran-4-ol

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
With pyridinium chlorochromate In dichloromethane for 2.5h; Ambient temperature;85%
With chromium(VI) oxide; water
With alkali dichromate; sulfuric acid
With fluorine In acetonitrile90 % Turnov.
2,3-dihydro-4H-pyran-4-one
84302-42-1

2,3-dihydro-4H-pyran-4-one

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
With hydrogen; 5% palladium/carbon hydrated In ethanol; toluene at 20℃; for 3h; Product distribution / selectivity;71%
1,5-dichloropentan-3-one
3592-25-4

1,5-dichloropentan-3-one

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
With sodium dihydrogenphosphate; phosphoric acid at 100℃; for 3h;35%
C17H31NO3Si

C17H31NO3Si

A

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

C17H29NO3Si

C17H29NO3Si

C17H29NO3Si

C17H29NO3Si

D

C16H29NOSi

C16H29NOSi

Conditions
ConditionsYield
With bis{rhodium[3,3'-(1,3-phenylene)bis(2,2-dimethylpropanoic acid)]}; [bis(acetoxy)iodo]benzene In Isopropyl acetate at 80℃;A 15%
B 12%
C 27%
D 16%
pent-4-en-2-yn-1-ol
2919-05-3

pent-4-en-2-yn-1-ol

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
With sulfuric acid; mercury(II) sulfate
1,5-dimethoxypent-2-yne
67728-90-9

1,5-dimethoxypent-2-yne

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
With sulfuric acid; mercury(II) sulfate
5-acetoxy-pent-1-en-3-one
100960-26-7

5-acetoxy-pent-1-en-3-one

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
With sulfuric acid; mercury(II) sulfate
C5H8(2)H2O3

C5H8(2)H2O3

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
In water-d2 at 34℃; Equilibrium constant;
C8H12(2)H2O4S

C8H12(2)H2O4S

A

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

B

3-mercaptopropanoic acid-d2
95193-08-1

3-mercaptopropanoic acid-d2

Conditions
ConditionsYield
With potassium carbonate In water-d2 at 34℃; Equilibrium constant;
4-methylsulfinyl-4-methylthiotetrahydro-4-pyrane
57260-92-1

4-methylsulfinyl-4-methylthiotetrahydro-4-pyrane

A

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

B

Dimethyldisulphide
624-92-0

Dimethyldisulphide

Conditions
ConditionsYield
With sulfuric acid In diethyl ether for 2h; Ambient temperature;A 292 mg
B 92 mg
4-pyrone
108-97-4

4-pyrone

ethanol
64-17-5

ethanol

Raney nickel

Raney nickel

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
Hydrogenation;
4-pyrone
108-97-4

4-pyrone

ethanol
64-17-5

ethanol

copper oxide-chromium oxide

copper oxide-chromium oxide

A

Tetrahydro-pyran-4-ol
2081-44-9

Tetrahydro-pyran-4-ol

B

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
at 120℃; under 73550.8 - 147102 Torr; Hydrogenation;
5-ethoxy-pent-1-en-3-yne
64769-48-8

5-ethoxy-pent-1-en-3-yne

sulfuric acid
7664-93-9

sulfuric acid

mercury(II) sulfate

mercury(II) sulfate

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

5-acetoxy-pent-1-en-3-one
100960-26-7

5-acetoxy-pent-1-en-3-one

sulfuric acid
7664-93-9

sulfuric acid

mercury(II) sulfate

mercury(II) sulfate

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

methanol
67-56-1

methanol

(1SR,6RS)-3,7-dioxa-bicyclo[4.1.0]heptane
78870-52-7

(1SR,6RS)-3,7-dioxa-bicyclo[4.1.0]heptane

A

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

B

5,6-dihydro-2H-pyran-3(4H)-one
23462-75-1

5,6-dihydro-2H-pyran-3(4H)-one

(3,4)-trans-3-methoxytetrahydro-2H-pyran-4-ol

(3,4)-trans-3-methoxytetrahydro-2H-pyran-4-ol

(3,4)-trans-4-methoxytetrahydro-2H-pyran-3-ol

(3,4)-trans-4-methoxytetrahydro-2H-pyran-3-ol

Conditions
ConditionsYield
With oxygen; deuterium at 37.5℃; under 100 Torr; G-values; Further Variations:; Pressures; Reagents; γ-Irradiation; Gas phase;
1,5-dimethoxy-pentan-3-one
53005-18-8

1,5-dimethoxy-pentan-3-one

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: acetic acid; sodium acetate
2: H2SO4; mercury (II)-sulfate
View Scheme
chelidonic acid
99-32-1

chelidonic acid

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: copper-powder / 350 °C
2: Raney nickel; ethanol / Hydrogenation.bei Raumtemperatur unter Normaldruck
View Scheme
2,4,6-trioxo-heptanedioic acid diethyl ester
68854-18-2

2,4,6-trioxo-heptanedioic acid diethyl ester

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: concentrated aqueous hydrochloric acid
2: copper-powder / 350 °C
3: Raney nickel; ethanol / Hydrogenation.bei Raumtemperatur unter Normaldruck
View Scheme
TETRAHYDROPYRANE
142-68-7

TETRAHYDROPYRANE

A

2-methyltetrahydrofuran
96-47-9

2-methyltetrahydrofuran

B

Tetrahydro-pyran-4-ol
2081-44-9

Tetrahydro-pyran-4-ol

C

4-butanolide
96-48-0

4-butanolide

D

3,4,5,6-tetrahydro-2H-pyran-2-one
542-28-9

3,4,5,6-tetrahydro-2H-pyran-2-one

E

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

F

3-chloropropyl formate
1487-44-1

3-chloropropyl formate

Conditions
ConditionsYield
With clorine at 24.84℃; under 800 Torr; Kinetics; Inert atmosphere; Gas phase;
4-nitrosotetrahydro-2H-pyran-4-yl acetate
1194657-13-0

4-nitrosotetrahydro-2H-pyran-4-yl acetate

A

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

B

acetic acid
64-19-7

acetic acid

C

dinitrogen monoxide
10024-97-2

dinitrogen monoxide

Conditions
ConditionsYield
With water In methanol; aq. phosphate buffer at 20℃; pH=7.4; Kinetics; Reagent/catalyst; Sealed tube;
4-nitrosotetrahydro-2H-pyran-4-yl pivalate
1194657-35-6

4-nitrosotetrahydro-2H-pyran-4-yl pivalate

A

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

B

dinitrogen monoxide
10024-97-2

dinitrogen monoxide

C

Trimethylacetic acid
75-98-9

Trimethylacetic acid

Conditions
ConditionsYield
With water In methanol; aq. phosphate buffer at 20℃; pH=7.4; Kinetics; Reagent/catalyst; Sealed tube;
3,4,5,6-tetrahydro-2H-pyran-4-carbaldehyde
50675-18-8

3,4,5,6-tetrahydro-2H-pyran-4-carbaldehyde

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
With Co(nmp)2; oxygen; triethylamine In isopropyl alcohol at 60℃; for 12h; Schlenk technique; Green chemistry;99 %Chromat.
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

tetrahydropyran-4-one oxime
61128-73-2

tetrahydropyran-4-one oxime

Conditions
ConditionsYield
With hydroxylamine hydrochloride; sodium acetate In ethanol for 20h; Heating;100%
With hydroxylamine hydrochloride; sodium acetate In methanol; water Reflux;100%
With hydroxylamine hydrochloride; sodium acetate In ethanol; water88%
morpholine
110-91-8

morpholine

Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

morpholine enamine of tetrahydro-4H-pyran-4-one
72250-03-4

morpholine enamine of tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
In toluene Dean-Stark trap; Reflux;100%
In toluene Reflux; Dean-Stark apparatus;100%
In toluene for 7h; Reflux;99%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

diethoxyphosphoryl-acetic acid ethyl ester
867-13-0

diethoxyphosphoryl-acetic acid ethyl ester

ethyl tetrahydro-4H-pyran-4-ylideneacetate
130312-00-4

ethyl tetrahydro-4H-pyran-4-ylideneacetate

Conditions
ConditionsYield
With sodium hydride In mineral oil; benzene at 0 - 20℃; for 2.33333h; Inert atmosphere;100%
Stage #1: diethoxyphosphoryl-acetic acid ethyl ester With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; for 0.5h; Schlenk technique; Inert atmosphere;
Stage #2: Tetrahydro-4H-pyran-4-one In tetrahydrofuran; mineral oil at 20℃; Schlenk technique; Inert atmosphere;
100%
With potassium carbonate In N,N-dimethyl-formamide at 80℃;96%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

2,2-Dimethyl-1,3-propanediol
126-30-7

2,2-Dimethyl-1,3-propanediol

3,3-Dimethyl-1,5,9-trioxa-spiro[5.5]undecane
131067-46-4

3,3-Dimethyl-1,5,9-trioxa-spiro[5.5]undecane

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene for 1h; Heating;100%
With hydrogen cation In benzene
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

t-butoxycarbonylhydrazine
870-46-2

t-butoxycarbonylhydrazine

N’-(tetrahydropyran-4-ylidene)hydrazinecarboxylic acid tert-butyl ester
693287-78-4

N’-(tetrahydropyran-4-ylidene)hydrazinecarboxylic acid tert-butyl ester

Conditions
ConditionsYield
In methanol at 20℃;100%
In methanol at 20℃;100%
In hexanes at 65 - 70℃; for 1.5h;79%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

nitrostyrene
5153-67-3

nitrostyrene

(R)-tetrahydro-3-((R)-2-nitro-1-phenylethyl)pyran-4-one

(R)-tetrahydro-3-((R)-2-nitro-1-phenylethyl)pyran-4-one

Conditions
ConditionsYield
With 1-[(S)-2'-methylpyrrolidine]-4-aza-1-azoniabicyclo[2.2.2]octane tetrafluoroborate at 20℃; for 17h; Michael addition; Ionic liquid; optical yield given as %ee; enantioselective reaction;100%
With bis(((S)-pyrrolidin-2-yl)methyl) phosphonate dihydrochloride; sodium hydrogencarbonate at 20℃; for 17h; Michael condensation; Ionic liquid; optical yield given as %ee; enantioselective reaction;98%
Stage #1: Tetrahydro-4H-pyran-4-one With N-((S)-1-phenylethyl)-5-((S)-pyrrolidin-2-yl)oxazole-4-carboxamide; acetic acid In neat (no solvent) at 20℃; for 0.0833333h; Michael Addition;
Stage #2: nitrostyrene In neat (no solvent) at 20℃; for 30h; Reagent/catalyst; Michael Addition; stereoselective reaction;
95%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

4-bromo-2-fluoroaniline
367-24-8

4-bromo-2-fluoroaniline

C11H13BrFNO
950201-68-0

C11H13BrFNO

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride In 1,2-dichloro-ethane at 20℃; for 64h; Molecular sieve;100%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

ethyl trifluoroacetate,
383-63-1

ethyl trifluoroacetate,

3-(trifluoroacetyl)tetrahydro-4H-pyran-4-one
158351-87-2

3-(trifluoroacetyl)tetrahydro-4H-pyran-4-one

Conditions
ConditionsYield
Stage #1: Tetrahydro-4H-pyran-4-one With lithium diisopropyl amide In tetrahydrofuran at -70℃; for 0.5h;
Stage #2: ethyl trifluoroacetate, In tetrahydrofuran at -70 - 20℃; for 16h;
100%
Stage #1: Tetrahydro-4H-pyran-4-one With lithium diisopropyl amide In tetrahydrofuran at -70℃; for 1h; Inert atmosphere;
Stage #2: ethyl trifluoroacetate, at 20℃; Inert atmosphere;
100%
Stage #1: Tetrahydro-4H-pyran-4-one With lithium diisopropyl amide In tetrahydrofuran at -70℃; for 0.5h; Inert atmosphere;
Stage #2: ethyl trifluoroacetate, at -70 - 20℃; Inert atmosphere;
100%
Stage #1: Tetrahydro-4H-pyran-4-one With lithium diisopropyl amide In tetrahydrofuran at -70℃; for 1h;
Stage #2: ethyl trifluoroacetate, In tetrahydrofuran at -70 - 20℃; for 16h;
100%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

formaldehyd
50-00-0

formaldehyd

4-nitrobenzylamine hydrochloride
18600-42-5

4-nitrobenzylamine hydrochloride

N-[(4-nitrophenyl)methyl]tetrahydro-N-methyl-2H-pyran-4-amine
229007-08-3

N-[(4-nitrophenyl)methyl]tetrahydro-N-methyl-2H-pyran-4-amine

Conditions
ConditionsYield
Stage #1: Tetrahydro-4H-pyran-4-one; 4-nitrobenzylamine hydrochloride With triethylamine In dichloromethane at 0℃; for 0.0833333h;
Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 0 - 20℃; for 6h;
Stage #3: formaldehyd With sodium hydroxide; sodium tris(acetoxy)borohydride more than 3 stages;
100%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

3-[Bis(trimethylsilyl)amino]-phenylmagnesium chloride

3-[Bis(trimethylsilyl)amino]-phenylmagnesium chloride

C17H29NOSi2
1202036-06-3

C17H29NOSi2

Conditions
ConditionsYield
Stage #1: Tetrahydro-4H-pyran-4-one; 3-[Bis(trimethylsilyl)amino]-phenylmagnesium chloride In tetrahydrofuran at -78℃; for 3h;
Stage #2: With ammonium chloride In tetrahydrofuran
100%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

allyl bromide
106-95-6

allyl bromide

4-allyltetrahydro-2H-pyran-4-ol
219903-85-2

4-allyltetrahydro-2H-pyran-4-ol

Conditions
ConditionsYield
With ammonium acetate; zinc In tetrahydrofuran at 0℃; for 0.166667h; Inert atmosphere;100%
With ammonium chloride; zinc In tetrahydrofuran; water at 20℃; for 10h;98%
With ammonium chloride; zinc In tetrahydrofuran; water at 20 - 40℃; for 10h;90%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

tert-butyl 2-amino-4-(1-methylpiperidin-4-yl)benzoate
1392150-82-1

tert-butyl 2-amino-4-(1-methylpiperidin-4-yl)benzoate

tert-butyl 4-(1-methylpiperidin-4-yl)-2-((tetrahydro-2H-pyran-4-yl)amino)benzoate
1392150-83-2

tert-butyl 4-(1-methylpiperidin-4-yl)-2-((tetrahydro-2H-pyran-4-yl)amino)benzoate

Conditions
ConditionsYield
With trifluoroacetic acid; tetramethylammonium triacetoxyborohydride In dichloromethane at 20℃; for 2h;100%
With trifluoroacetic acid; tetramethylammonium triacetoxyborohydride In dichloromethane at 20℃; for 2h;100%
With trifluoroacetic acid; tetramethylammonium triacetoxyborohydride In dichloromethane at 20℃; for 2h;100%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

toluene-4-sulfonic acid hydrazide
1576-35-8

toluene-4-sulfonic acid hydrazide

4-methyl-N′-(tetrahydro-4H-pyran-4-ylidene)benzenesulfonohydrazide

4-methyl-N′-(tetrahydro-4H-pyran-4-ylidene)benzenesulfonohydrazide

Conditions
ConditionsYield
In methanol at 20℃; Schlenk technique;100%
at 120℃; for 24h;40%
at 120℃; for 24h; Dean-Stark apparatus;40%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

2-(aminomethyl)-4-bromoaniline
771583-12-1

2-(aminomethyl)-4-bromoaniline

6'-bromo-2,3,3',4',5,6-hexahydro-1'H-spiro[pyran-4,2'-quinazoline]
1428149-51-2

6'-bromo-2,3,3',4',5,6-hexahydro-1'H-spiro[pyran-4,2'-quinazoline]

Conditions
ConditionsYield
In chloroform at 60℃; for 24h;100%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

1-ethynyl-4-fluorobenzene
766-98-3

1-ethynyl-4-fluorobenzene

4-((4-fluorophenyl)ethynyl)tetrahydro-2H-pyran-4-ol
1435770-32-3

4-((4-fluorophenyl)ethynyl)tetrahydro-2H-pyran-4-ol

Conditions
ConditionsYield
Stage #1: 1-ethynyl-4-fluorobenzene With n-butyllithium In tetrahydrofuran; hexane at 20℃; for 0.0833333h;
Stage #2: With lithium bromide In tetrahydrofuran; hexane at 20℃; for 0.5h;
Stage #3: Tetrahydro-4H-pyran-4-one In tetrahydrofuran; hexane at -78 - 20℃; for 0.666667h;
100%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

1-ethynyl-3-methyl-benzene
766-82-5

1-ethynyl-3-methyl-benzene

4-(m-tolylethynyl)tetrahydro-2H-pyran-4-ol
1435770-36-7

4-(m-tolylethynyl)tetrahydro-2H-pyran-4-ol

Conditions
ConditionsYield
Stage #1: 1-ethynyl-3-methyl-benzene With n-butyllithium In tetrahydrofuran; hexane at 20℃; for 0.0833333h;
Stage #2: With lithium bromide In tetrahydrofuran; hexane at 20℃; for 0.5h;
Stage #3: Tetrahydro-4H-pyran-4-one In tetrahydrofuran; hexane at -78 - 20℃; for 0.666667h;
100%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

4-methoxybenzenesulfonyl hydrazide
1950-68-1

4-methoxybenzenesulfonyl hydrazide

4-methoxy-N'-(tetrahydro-4H-pyran-4-ylidene)benzenesulfonohydrazide
1510865-60-7

4-methoxy-N'-(tetrahydro-4H-pyran-4-ylidene)benzenesulfonohydrazide

Conditions
ConditionsYield
In methanol at 20℃; Schlenk technique;100%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

4-n-methylphenylacetylene
766-97-2

4-n-methylphenylacetylene

4-(p-tolylethynyl)tetrahydro-2H-pyran-4-ol

4-(p-tolylethynyl)tetrahydro-2H-pyran-4-ol

Conditions
ConditionsYield
Stage #1: 4-n-methylphenylacetylene With n-butyllithium In tetrahydrofuran; hexane at 20℃;
Stage #2: With lithium bromide In tetrahydrofuran; hexane at 20℃; for 0.5h;
Stage #3: Tetrahydro-4H-pyran-4-one In tetrahydrofuran; hexane at -78 - 20℃;
100%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

C33H41N3O4

C33H41N3O4

C38H49N3O5

C38H49N3O5

Conditions
ConditionsYield
With methanol; sodium cyanoborohydride; acetic acid In formic acid100%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

1-amino-4-[(tert-butyloxycarbonyl)amino]butane
68076-36-8

1-amino-4-[(tert-butyloxycarbonyl)amino]butane

acetic anhydride
108-24-7

acetic anhydride

tert-butyl (4-(N-(tetrahydro-2H-pyran-4-yl)acetamido)butyl)carbamate

tert-butyl (4-(N-(tetrahydro-2H-pyran-4-yl)acetamido)butyl)carbamate

Conditions
ConditionsYield
Stage #1: Tetrahydro-4H-pyran-4-one; 1-amino-4-[(tert-butyloxycarbonyl)amino]butane With sodium tris(acetoxy)borohydride In dichloromethane Molecular sieve; Reflux;
Stage #2: acetic anhydride With triethylamine In dichloromethane at 20℃;
100%
Stage #1: 1-amino-4-[(tert-butyloxycarbonyl)amino]butane With sodium tris(acetoxy)borohydride In dichloromethane at 20 - 40℃; for 0.166667h; Molecular sieve;
Stage #2: Tetrahydro-4H-pyran-4-one In dichloromethane Reflux;
Stage #3: acetic anhydride With triethylamine at 20℃;
100%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

2-methyl-3-bromo-1-propene
1458-98-6

2-methyl-3-bromo-1-propene

C9H16O2
1423078-73-2

C9H16O2

Conditions
ConditionsYield
With ammonium acetate; zinc In tetrahydrofuran at 0℃; for 0.166667h; Inert atmosphere;100%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

2,4,6-trimethylbenzenesulfonohydrazide
16182-15-3

2,4,6-trimethylbenzenesulfonohydrazide

2,4,6-trimethyl-N'-(tetrahydro-4H-pyran-4-ylidene)benzenesulfonohydrazide

2,4,6-trimethyl-N'-(tetrahydro-4H-pyran-4-ylidene)benzenesulfonohydrazide

Conditions
ConditionsYield
In methanol at 20℃;100%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Benzhydrylamine
91-00-9

Benzhydrylamine

N-(Diphenylmethyl)tetrahydro-2H-pyran-4-amine
625126-73-0

N-(Diphenylmethyl)tetrahydro-2H-pyran-4-amine

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride In dichloromethane at 20℃;99.9%
With sodium tris(acetoxy)borohydride In dichloromethane at 20℃; Molecular sieve (4A, powder);99.9%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

5-[(tert-Butyloxycarbonyl)amino]indole-2-carboxylic Acid
138730-81-1

5-[(tert-Butyloxycarbonyl)amino]indole-2-carboxylic Acid

tert-butyl N-{1-oxo-1H-spiro[[1,3]oxazolo[3,4-a]indole-3,4'-oxan]-7-yl}carbamate

tert-butyl N-{1-oxo-1H-spiro[[1,3]oxazolo[3,4-a]indole-3,4'-oxan]-7-yl}carbamate

Conditions
ConditionsYield
Stage #1: 5-[(tert-Butyloxycarbonyl)amino]indole-2-carboxylic Acid With 1,1'-carbonyldiimidazole In tetrahydrofuran at 0℃; for 1.5h; Cooling with ice;
Stage #2: Tetrahydro-4H-pyran-4-one With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 20℃; for 3h; Cooling with ice;
99.5%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

Tetrahydro-pyran-4-ol
2081-44-9

Tetrahydro-pyran-4-ol

Conditions
ConditionsYield
Stage #1: Tetrahydro-4H-pyran-4-one With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 0.5h;
Stage #2: With sodium hydroxide In tetrahydrofuran; water
99%
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 5℃; for 3h;96%
With C15H18BF3; hydrogen; tert-butylimino-tri(pyrrolidino)phosphorane In tetrahydrofuran at 75℃; under 75007.5 Torr; for 40h; Glovebox;93%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

ethyl (E)-2-(p-methoxyphenylimino)acetate
115276-75-0, 124156-21-4, 120419-96-7

ethyl (E)-2-(p-methoxyphenylimino)acetate

ethyl 2-(p-methoxyphenylamino)-2-(4’-oxotetrahydropyran-3’-yl)acetate

ethyl 2-(p-methoxyphenylamino)-2-(4’-oxotetrahydropyran-3’-yl)acetate

Conditions
ConditionsYield
With (S)-3-(nonafluorobutylsulfonamido)pyrrolidine In tetrahydrofuran at 20℃; for 2h; Mannich reaction;99%
With (R)-3-amino-3-phenylpropanoic acid; sea water In dimethyl sulfoxide at 20℃; for 16h;27%
With pyrrolidinium 2,2,2-trifluoroacetate In dichloromethane
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

(2-aminophenyl)(phenyl)methanone
2835-77-0

(2-aminophenyl)(phenyl)methanone

10-phenyl-3,4-dihydro-1H-pyrano[4,3-b]quinoline
17517-75-8

10-phenyl-3,4-dihydro-1H-pyrano[4,3-b]quinoline

Conditions
ConditionsYield
With acetic acid at 160℃; for 0.0833333h; Friedlaender Quinoline Synthesis; Microwave irradiation;99%
With magnesium chloride hexahydrate; toluene-4-sulfonic acid In acetonitrile at 50℃; for 0.666667h; Friedlaender synthesis;94%
With lithium bromide In acetonitrile at 50℃; for 1.5h; Friedlaender heteroannulation;80%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

ethyl (triphenylphosphoranylidene)acetate
1099-45-2

ethyl (triphenylphosphoranylidene)acetate

ethyl tetrahydro-4H-pyran-4-ylideneacetate
130312-00-4

ethyl tetrahydro-4H-pyran-4-ylideneacetate

Conditions
ConditionsYield
In acetonitrile at 0 - 90℃; for 48h;99%
In acetonitrile at 85 - 90℃; for 48h;99%
In toluene Reflux;79%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

tryptamine
61-54-1

tryptamine

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

tert-butylisonitrile
119072-55-8, 7188-38-7

tert-butylisonitrile

4-{but-2-enoyl-[2-(1H-indol-3-yl)ethyl]amino}tetrahydropyran-4-carboxylic acid tert-butylamide

4-{but-2-enoyl-[2-(1H-indol-3-yl)ethyl]amino}tetrahydropyran-4-carboxylic acid tert-butylamide

Conditions
ConditionsYield
In methanol at 20℃; for 18h; Ugi reaction;99%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

(S)-3-((R)-hydroxy(4-nitrophenyl)methyl)-tetrahydropyran-4-one

(S)-3-((R)-hydroxy(4-nitrophenyl)methyl)-tetrahydropyran-4-one

Conditions
ConditionsYield
Stage #1: Tetrahydro-4H-pyran-4-one With (S)-N-[(R)-2,3-dihydro-1H-inden-1-yl]pyrrolidine-2-carbothioamide at 20℃; neat (no solvent);
Stage #2: 4-nitrobenzaldehdye at 0℃; for 24h; neat (no solvent); optical yield given as %ee; enantioselective reaction;
99%
With (S)-N-[(R)-2,3-dihydro-1H-inden-1-yl]pyrrolidine-2-carbothioamide at 0℃; for 24h; Aldol condensation; optical yield given as %ee; enantioselective reaction;99%
With (S)-2-amino-N-(pyrene-1-yl)-3,3 dimethylbutanamide In water at 20℃; for 48h; Inert atmosphere; stereoselective reaction;99%
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