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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

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

Cas:4454-05-1

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 3,4-Dihydro-2-Methoxy-2H-Pyran with high purity

Cas:4454-05-1

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Henan Allgreen Chemical Co.,Ltd

3,4-DIHYDRO-2-METHOXY-2H-PYRAN Basic information Product Name: 3,4-DIHYDRO-2-METHOXY-2H-PYRAN Synonyms: 2,3-Dihydro-2-methoxy-4H-pyran;3,4-dihydro-2-methoxy-2h-pyra

3,4-DIHYDRO-2-METHOXY-2H-PYRAN

Cas:4454-05-1

Min.Order:1 Gram

Negotiable

Type:Manufacturers

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EAST CHEMSOURCES LIMITED

3,4-Dihydro-2-Methoxy-2H-Pyran Cas No.:4454-05-1 Molecular Structure: EINECS No.: 224-698-3 Molecular Formula: C6H10O2 M.W: 114.14 Properties: 1) Appearance: Colorless to light yellow transparent liquid 2) B.P: 126°C 3) Flash poin

3,4-Dihydro-2-Methoxy-2H-Pyran

Cas:4454-05-1

Min.Order:1 Kilogram

FOB Price: $2.0 / 3.0

Type:Manufacturers

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

Cas:4454-05-1

Min.Order:1

Negotiable

Type:Other

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Hebei yanxi chemical co.,LTD.

Our advantage: 1: High quality and Competitive price 2: Quality control, GC&HPLC&NMR or as your requested 3: Packing as your requested, and double check before shipment 4: Prompt shipment with professional documents 5: Excellent after-

3,4-Dihydro-2-Methoxy-2H-Pyran CAS NO.4454-05-1

Cas:4454-05-1

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

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

Factory direct supply CAS 4454-05-1 with best quality

Cas:4454-05-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

3,4-Dihydro-2-methoxy-2H-pyran

Cas:4454-05-1

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product name 3,4-DIHYDRO-2-METHOXY-2H-PYRAN CAS NO. 4454-05-1 Other names DL-MANDELSAEURE S; 3,4-DIHYDRO-2-METHOXY-2H-PYRAN(A

3,4-Dihydro-2-methoxy-2H-pyran CAS: 4454-05-1

Cas:4454-05-1

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

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

2H-Pyran,3,4-dihydro-2-methoxy- 4454-05-1

Cas:4454-05-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

3,4-DIHYDRO-2-METHOXY-2H-PYRAN CAS:4454-05-1 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 or

3,4-DIHYDRO-2-METHOXY-2H-PYRAN CAS:4454-05-1

Cas:4454-05-1

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

2H-Pyran,3,4-dihydro-2-methoxy-

Cas:4454-05-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

2H-Pyran,3,4-dihydro-2-methoxy-

Cas:4454-05-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

(2R)-2-Methoxy-3,4-dihydro-2H-pyran

Cas:4454-05-1

Min.Order:1 Kilogram

FOB Price: $20.0 / 40.0

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

3,4-Dihydro-2-methoxy-2H-pyran

Cas:4454-05-1

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

3,4-DIHYDRO-2-METHOXY-2H-PYRAN

Cas:4454-05-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

our strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery

3,4-Dihydro-2-methoxy-2H-pyran with lower price

Cas:4454-05-1

Min.Order:1 Gram

Negotiable

Type:Other

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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

2H-Pyran,3,4-dihydro-2-methoxy-

Cas:4454-05-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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 3,4-Dihydro-2-Methoxy-2H-Pyran

Cas:4454-05-1

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

3,4-Dihydro-2-methoxy-2H-pyran

Cas:4454-05-1

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

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TaiChem Taizhou Limited

Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site

3,4-DIHYDRO-2-METHOXY-2H-PYRAN

Cas:4454-05-1

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 3,4-Dihydro-2-Methoxy-2H-Pyran CAS No.:4454-05-1 Molecule Formula:C6H10O2 Molecule Weight:114.14 Purity: 98.0% Package: 200kg/drum Description:Colorless or yellowish clear liquid Manufacture Standards:Enterprise Standard

Best Quality 3,4-Dihydro-2-Methoxy-2H-Pyran

Cas:4454-05-1

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

3,4-Dihydro-2-methyl-pyran Boiling point 126 ° C Density 1.006 g / mL at 25 ° C (lit.) Refractive index 1.441-1.443 Flash point 16 ° C Storage conditions Flammables are

3,4-DIHYDRO-2-METHOXY-2H-PYRAN, 98%

Cas:4454-05-1

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

3,4-Dihydro-2-methoxy-2H-pyran

Cas:4454-05-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

3,4-Dihydro-2-methoxy-2H-pyran

Cas:4454-05-1

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

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

Cas:4454-05-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

3,4-DIHYDRO-2-METHOXY-2H-PYRAN Cas no.4454-05-1 98%

Cas:4454-05-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

3,4-Dihydro-2-methoxy-2H-pyran

Cas:4454-05-1

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

3,4-Dihydro-2-methoxy-2H-pyran

Cas:4454-05-1

Min.Order:0

Negotiable

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier

3,4-Dihydro-2-methoxy-2H-pyran

Cas:4454-05-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

methoxyethene
107-25-5

methoxyethene

acrolein
107-02-8

acrolein

2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

Conditions
ConditionsYield
With 2,6-di-tert-butyl-4-methyl-phenol at 135℃; under 22502.3 Torr; for 12h; Product distribution / selectivity;92%
With 2,6-di-tert-butyl-4-methyl-phenol at 135℃; for 12h; Product distribution / selectivity;77%
With hydroquinone
at 135℃;
methoxyethene
107-25-5

methoxyethene

hydroquinone
123-31-9

hydroquinone

acrolein
107-02-8

acrolein

2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

Conditions
ConditionsYield
at 135℃;
at 180℃;
methoxyethene
107-25-5

methoxyethene

acrolein
107-02-8

acrolein

A

2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

B

2-Methoxy-3,4,4a,8a-tetrahydro-2H,5H-pyrano[2,3-b]pyran

2-Methoxy-3,4,4a,8a-tetrahydro-2H,5H-pyrano[2,3-b]pyran

Conditions
ConditionsYield
at 180℃;
methanol
67-56-1

methanol

cyclopentene
142-29-0

cyclopentene

A

2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

B

methyl 4-formylbutanoate
6026-86-4

methyl 4-formylbutanoate

C

methyl 5,5-dimethoxyvalerate
23068-91-9

methyl 5,5-dimethoxyvalerate

D

Dimethyl glutarate
1119-40-0

Dimethyl glutarate

E

1,1,5,5-tetramethoxy-pentane
4454-02-8

1,1,5,5-tetramethoxy-pentane

F

Glutaraldehyde
111-30-8

Glutaraldehyde

G

cis- and trans-2,6-dimethoxytetrahydropyran, CH3Cl

cis- and trans-2,6-dimethoxytetrahydropyran, CH3Cl

Conditions
ConditionsYield
With hydrogenchloride; ozone Product distribution; Mechanism; -78 deg to r.t.;A n/a
B 2 % Chromat.
C 46 % Chromat.
D 23 % Chromat.
E 27 % Chromat.
F 1 % Chromat.
G n/a
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

trifluoroacetic anhydride
407-25-0

trifluoroacetic anhydride

2,2,2-trifluoro-1-(2-methoxy-3,4-dihydro-2H-5-pyranyl)-2,2,2-trifluoro-1-ethanone
220370-51-4

2,2,2-trifluoro-1-(2-methoxy-3,4-dihydro-2H-5-pyranyl)-2,2,2-trifluoro-1-ethanone

Conditions
ConditionsYield
With pyridine In chloroform for 18h; Ambient temperature;100%
With pyridine In dichloromethane at 0 - 20℃; for 16h; Inert atmosphere;80%
With pyridine In chloroform at 0 - 25℃; for 16h;
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

2-methoxytetrahydropyran
6581-66-4

2-methoxytetrahydropyran

Conditions
ConditionsYield
With hydrogen; palladium on activated carbon at 20℃; under 6000.6 - 15001.5 Torr; for 1.5h; Product distribution / selectivity;96%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

Glutaraldehyde
111-30-8

Glutaraldehyde

Conditions
ConditionsYield
With sodium dihydrogenphosphate In water at 20 - 92℃; under 150.015 Torr; Temperature; Large scale;95.4%
With cation-exchange resin KU-2 and KU-2-8 In water at 20 - 30℃;40%
With water at 150℃;
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

methanol
67-56-1

methanol

1,1,5,5-tetramethoxy-pentane
4454-02-8

1,1,5,5-tetramethoxy-pentane

Conditions
ConditionsYield
With hydrogenchloride at -10℃; for 1.5h;91%
With hydrogenchloride
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

allyl bromide
106-95-6

allyl bromide

4,8-dihydroxy-1,10-undecanediene
111512-38-0

4,8-dihydroxy-1,10-undecanediene

Conditions
ConditionsYield
With tin; water at 20℃;89%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

2-hydroxy-2-phenylacetophenone
119-53-9

2-hydroxy-2-phenylacetophenone

benzoin 2-methoxy-tetrahydropyranyl ether

benzoin 2-methoxy-tetrahydropyranyl ether

Conditions
ConditionsYield
In benzene87.4%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

2-diazocyclohexane-1,3-dione
1460-08-8

2-diazocyclohexane-1,3-dione

2,3,4,4a,7,8-Hexahydro-6H-2-methoxy-1,9-dioxacyclohexainden-5-one

2,3,4,4a,7,8-Hexahydro-6H-2-methoxy-1,9-dioxacyclohexainden-5-one

Conditions
ConditionsYield
dirhodium tetraacetate at 85℃; for 2h;87%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

(E)-5-methoxypent-4-en-1-ol
94935-12-3

(E)-5-methoxypent-4-en-1-ol

Conditions
ConditionsYield
With sodium tetrahydroborate; thallium(III) nitrate In methanol85%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

4-nitrobutyraldehyde
73707-26-3

4-nitrobutyraldehyde

Conditions
ConditionsYield
Stage #1: 2-methoxy-3,4-dihydro-2H-pyran With nitric acid; acetic anhydride at -30 - 0℃; for 0.5h; Inert atmosphere; Schlenk technique;
Stage #2: With pyridine In water at 20℃; for 24h; Inert atmosphere; Schlenk technique;
85%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

6(R)-methoxy-3(S)-hydroxy-tetrahydro-2H-pyran
28194-32-3

6(R)-methoxy-3(S)-hydroxy-tetrahydro-2H-pyran

Conditions
ConditionsYield
Stage #1: 2-methoxy-3,4-dihydro-2H-pyran With dimethylsulfide borane complex In tetrahydrofuran at 0 - 23℃; for 24h;
Stage #2: With sodium hydroxide; dihydrogen peroxide In tetrahydrofuran at 0 - 23℃; for 48h; Further stages.;
82%
With sodium perborate; borane 1) THF; Multistep reaction;
With sodium hydroxide; dihydrogen peroxide; bis-(1,2-dimethylpropyl)borane 1.) THF, 0 deg C, 48 h, 2.) 55 deg C, 1 h; Yield given. Multistep reaction;
Stage #1: 2-methoxy-3,4-dihydro-2H-pyran With dimethylsulfide borane complex In tetrahydrofuran for 24h;
Stage #2: With dihydrogen peroxide; sodium hydroxide for 48h;
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

3,4-dihydro-2-methoxyl-5-nitro-2H-pyran

3,4-dihydro-2-methoxyl-5-nitro-2H-pyran

Conditions
ConditionsYield
Stage #1: 2-methoxy-3,4-dihydro-2H-pyran With nitric acid; acetic anhydride at -30 - 0℃; Inert atmosphere;
Stage #2: With triethylamine In dichloromethane at 20℃; Inert atmosphere;
82%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

monomethyl monopotassium malonate
38330-80-2

monomethyl monopotassium malonate

6-Methoxy-2-oxo-hexahydro-furo[2,3-b]pyran-3-carboxylic acid methyl ester

6-Methoxy-2-oxo-hexahydro-furo[2,3-b]pyran-3-carboxylic acid methyl ester

Conditions
ConditionsYield
With ammonium cerium(IV) nitrate In acetonitrile at 5 - 10℃; for 2h; Irradiation;81%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

4-toluenesulfonyl azide
941-55-9

4-toluenesulfonyl azide

carbon monoxide
201230-82-2

carbon monoxide

3,4-dihydro-2-methoxy-N-<(4-methylphenyl)sulfonyl>-2H-pyran-5-carboxamide
87937-95-9

3,4-dihydro-2-methoxy-N-<(4-methylphenyl)sulfonyl>-2H-pyran-5-carboxamide

Conditions
ConditionsYield
With palladium diacetate In acetonitrile at 80℃; under 760.051 Torr; for 12h; Schlenk technique;80%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

1,3-diacetyl-2,3-dihydro-1H-imidazol-2-one
20212-13-9

1,3-diacetyl-2,3-dihydro-1H-imidazol-2-one

1,3-Diacetyl-5-methoxy-octahydro-4-oxa-1,3-diaza-cyclopenta[3,4]cyclobuta[1,2]benzen-2-one
78932-05-5

1,3-Diacetyl-5-methoxy-octahydro-4-oxa-1,3-diaza-cyclopenta[3,4]cyclobuta[1,2]benzen-2-one

Conditions
ConditionsYield
In acetone Ambient temperature; Irradiation;79%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

N-(4-fluorobenzyl)-4-methyl-N-(propa-1,2-dien-1-yl)benzenesulfonamide
1353455-69-2

N-(4-fluorobenzyl)-4-methyl-N-(propa-1,2-dien-1-yl)benzenesulfonamide

(Z)-N-(4-fluorobenzyl)-N-((3-methoxy-2-oxabicyclo[4.2.0]octan-8-ylidene)methyl)-4-methylbenzenesulfonamide
1353765-04-4

(Z)-N-(4-fluorobenzyl)-N-((3-methoxy-2-oxabicyclo[4.2.0]octan-8-ylidene)methyl)-4-methylbenzenesulfonamide

Conditions
ConditionsYield
With silver hexafluoroantimonate; 2-(di-tert-butylphosphino)-1,1'-biphenylgold(I) chloride In dichloromethane at 20℃; Inert atmosphere; Molecular sieve;79%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

1,3-diacetyl-2,3-dihydro-1H-imidazol-2-one
20212-13-9

1,3-diacetyl-2,3-dihydro-1H-imidazol-2-one

9,11-diacetyl-4-methoxy-3-oxa-9,11-diazatricyclo<6.3.0.02.7>undecan-10-one
78932-05-5, 87144-30-7, 87144-31-8, 87144-32-9, 87144-33-0, 92936-29-3, 92936-30-6, 92936-31-7, 92936-32-8

9,11-diacetyl-4-methoxy-3-oxa-9,11-diazatricyclo<6.3.0.02.7>undecan-10-one

Conditions
ConditionsYield
In acetone for 10h; Irradiation;77%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

methyl coumalate
6018-41-3

methyl coumalate

methyl 3-(3-oxopropyl)benzoate
111393-29-4

methyl 3-(3-oxopropyl)benzoate

Conditions
ConditionsYield
In toluene at 200℃; for 16h; Inert atmosphere;77%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

borane-THF

borane-THF

6(R)-methoxy-3(S)-hydroxy-tetrahydro-2H-pyran
28194-32-3

6(R)-methoxy-3(S)-hydroxy-tetrahydro-2H-pyran

Conditions
ConditionsYield
With sodium hydroxide; dihydrogen peroxide In tetrahydrofuran72%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

1,2,4,5-tetrazine-3,6-dicarboxylic acid dimethyl ester
2166-14-5

1,2,4,5-tetrazine-3,6-dicarboxylic acid dimethyl ester

C11H12N2O5
1011300-08-5

C11H12N2O5

Conditions
ConditionsYield
In 1,4-dioxane at 20℃; for 0.0833333h;71%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

Benzenesulfinic acid
618-41-7

Benzenesulfinic acid

trans-2-(benzenesulphonyl)tetrahydro-6-methoxy-2H-pyran
120749-57-7, 120749-58-8

trans-2-(benzenesulphonyl)tetrahydro-6-methoxy-2H-pyran

cis-2-(benzenesulphonyl)tetrahydro-6-methoxy-2H-pyran
120749-57-7, 120749-58-8

cis-2-(benzenesulphonyl)tetrahydro-6-methoxy-2H-pyran

Conditions
ConditionsYield
In dichloromethane for 2h; Ambient temperature;A 66%
B 9%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

Tosyl isocyanate
4083-64-1

Tosyl isocyanate

3,4-dihydro-2-methoxy-N-<(4-methylphenyl)sulfonyl>-2H-pyran-5-carboxamide
87937-95-9

3,4-dihydro-2-methoxy-N-<(4-methylphenyl)sulfonyl>-2H-pyran-5-carboxamide

Conditions
ConditionsYield
In tetrahydrofuran 1. 3- 5 deg C 2. 48 h, room temperature;65%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

3-(p-toluenesulfonyl)-4-vinylideneoxaolidin-2-one
192136-75-7

3-(p-toluenesulfonyl)-4-vinylideneoxaolidin-2-one

8-methoxy-4-(p-toluenesulfonyl)-3,5,5a,7,8,9a-hexahydro-6H-2,9-dioxa-9b-aza-cyclopenta[a]naphthalen-1-one

8-methoxy-4-(p-toluenesulfonyl)-3,5,5a,7,8,9a-hexahydro-6H-2,9-dioxa-9b-aza-cyclopenta[a]naphthalen-1-one

Conditions
ConditionsYield
at 80℃; for 6h;65%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

triethyl 1,2,4-triazine-3,5,6-tricarboxylate
74476-38-3

triethyl 1,2,4-triazine-3,5,6-tricarboxylate

triethyl 3-(3'-oxo)propylpyridine-2,5,6-tricarboxylate

triethyl 3-(3'-oxo)propylpyridine-2,5,6-tricarboxylate

Conditions
ConditionsYield
In chloroform Heating;61%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

C11H18O5

C11H18O5

Conditions
ConditionsYield
With Amberlyst-15 In neat (no solvent) at 80℃; for 4h; Inert atmosphere; Green chemistry;60%
2-methoxy-3,4-dihydro-2H-pyran
4454-05-1

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

phenyl isocyanate
103-71-9

phenyl isocyanate

(1R,3S,6S)-3-Methoxy-8-phenyl-2-oxa-8-aza-bicyclo[4.2.0]octan-7-one

(1R,3S,6S)-3-Methoxy-8-phenyl-2-oxa-8-aza-bicyclo[4.2.0]octan-7-one

(1R,3R,6S)-3-Methoxy-8-phenyl-2-oxa-8-aza-bicyclo[4.2.0]octan-7-one

(1R,3R,6S)-3-Methoxy-8-phenyl-2-oxa-8-aza-bicyclo[4.2.0]octan-7-one

Conditions
ConditionsYield
In toluene at 130℃; under 6000480 Torr; for 20h;A 30%
B 59%

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