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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

Malonaldehyde bis(diethyl acetal)

Cas:122-31-6

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 1,1,3,3-Tetraethoxypropane supplier in China

Cas:122-31-6

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

Malonaldehyde bis(diethyl acetal)

Cas:122-31-6

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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EAST CHEMSOURCES LIMITED

Malonaldehyde bisldiethy Product name:Malonaldehyde bisldiethy(acetal) CAS No: 122-31-6 Properties: In normal temperature, it is colorless inflammable liquid with irritative odor,Boiling point 220°C;Molecular weight220.31; Specific

Malonaldehyde bisldiethy(acetal)

Cas:122-31-6

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 1,1,3,3-Tetraethoxypropane

Cas:122-31-6

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

1,1,3,3-Tetraethoxypropane

Cas:122-31-6

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

1,1,3,3-Tetraethoxypropane

Cas:122-31-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company

TIANFU-CHEM - Malonaldehyde bis(diethyl acetal)

Cas:122-31-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

Malonaldehyde bis(diethyl acetal) CAS 122-31-6

Cas:122-31-6

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

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

Manufacturer CAS 122-31-6 with best price

Cas:122-31-6

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

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

TIANFUCHEM--High purity 122-31-6 Malonaldehyde bis(diethyl acetal)

Cas:122-31-6

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

Malonaldehyde bis(diethyl acetal) CAS:122-31-6

Cas:122-31-6

Min.Order:1 Metric Ton

FOB Price: $380.0 / 590.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Chemical Name: 1 1 3 3-Tetraethoxypropane CAS No.: 122-31-6 Molecular Fomula: C11H24O4 Chemical Structure: Molecular weight:220.31 Appearance: cololess liquid Assay:99% Appearance:colorless liquid Storage:Preserve in well-closed, light-re

1,1,3,3-Tetraethoxypropane CAS: 122-31-6

Cas:122-31-6

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China and Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED intermediat

Malonaldehyde bis(diethyl acetal)CAS NO.: 122-31-6

Cas:122-31-6

Min.Order:1 Kilogram

FOB Price: $4.0 / 5.0

Type:Lab/Research institutions

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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

Malonaldehyde bis(diethyl acetal) 122-31-6

Cas:122-31-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:colorless to yellow liquid Storage:2-8°C Package:200kg/Drum Application:1,1,3,3-Tetraethoxypropane has been used in the preparation of diazabicyclodecenes. Transportation:Express/Sea/Air Port:Any port in China

Malonaldehyde bis(diethyl acetal) with high quality

Cas:122-31-6

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

Malonaldehyde bis(diethyl acetal) CAS:122-31-6 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 o

Malonaldehyde bis(diethyl acetal) CAS:122-31-6

Cas:122-31-6

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

Malonaldehyde bis(diethyl acetal)

Cas:122-31-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

1,1,3,3-Tetraethoxypropane CAS NO.122-31-6

Cas:122-31-6

Min.Order:10 Gram

Negotiable

Type:Trading Company

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Lonwin Chemical Group Limited

1,1,3,3-Tetraethoxypropane CAS: 122-31-6 Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard Shelf life 2 years Storage should be stored in

Factory supply 1,1,3,3-Tetraethoxypropane

Cas:122-31-6

Min.Order:1 Kilogram

Negotiable

Type:Other

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

1,1,3,3-Tetraethoxypropane

Cas:122-31-6

Min.Order:0

Negotiable

Type:Manufacturers

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Triumph International Development Limilted

Appearance:clear colourless to yellow liquid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used as pharmaceutical and dyes interm... Transportation:Common produ

Malonaldehyde bis(diethyl acetal)

Cas:122-31-6

Min.Order:100 Metric Ton

Negotiable

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

1,1,3,3-Tetraethoxypropane

Cas:122-31-6

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

1,1,3,3-TETRAETHOXYPROPANE;CAS NO 122-31-6

Cas:122-31-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

Malonaldehyde bis(diethyl acetal)

Cas:122-31-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

Malonaldehyde bis(diethyl acetal)

Cas:122-31-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Hangzhou Lingrui Chemical Co.,Ltd.

Malonaldehyde bis(diethyl acetal) CAS NO.122-31-6Appearance:detailed see specifications Storage:Stored in cool, dry and ventilation place Package:according to customers' requirements Application:It is an important raw material and intermediates used

Malonaldehyde bis(diethyl acetal) CAS NO.122-31-6

Cas:122-31-6

Min.Order:1 Gram

Negotiable

Type:Other

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Siwei Development Group Ltd.

Product name: 1,1,3,3-Tetraethoxypropane CAS No.:122-31-6 Molecule Formula:C7H14O3 Molecule Weight:146.18 Purity: 98.0% Package: 200kg/drum Description:Colorless transparent liquid Manufacture Standards:Enterprise Standard

Best Quality 1,1,3,3-Tetraethoxypropane

Cas:122-31-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Henan Kanbei Chemical Co.,LTD

High quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle

1,1,3,3-Tetraethoxypropane;Malonaldehyde bis(diethyl acetal).99%

Cas:122-31-6

Min.Order:1 Metric Ton

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

1,1,3,3-Tetraethoxypropane

Cas:122-31-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Synthetic route

ethyl vinyl ether
109-92-2

ethyl vinyl ether

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

Conditions
ConditionsYield
Stage #1: ethyl vinyl ether; orthoformic acid triethyl ester With boron trifluoride diethyl etherate at 20 - 38℃;
Stage #2: With potassium carbonate at 20℃; for 2h;
69.2%
With iron(III) chloride
With boron fluoride ether
vinyl isopropyl ether
926-65-8

vinyl isopropyl ether

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

A

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

B

1,3,3-triethoxy-1-(isopropoxy)propane
603151-68-4

1,3,3-triethoxy-1-(isopropoxy)propane

Conditions
ConditionsYield
iron(III) chloride at -30℃; for 6h; Product distribution / selectivity;A 6.5%
B 42%
iron(III) chloride at 0℃; for 6h; Product distribution / selectivity;A 13.6%
B 27%
trimethylsiloxyethene
6213-94-1

trimethylsiloxyethene

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

Conditions
ConditionsYield
With zinc(II) chloride In ethyl acetate for 3h; Ambient temperature;76.5%
ethyl vinyl ether
109-92-2

ethyl vinyl ether

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

A

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

B

1,1,3,5,5-pentaethoxy-pentane
5870-87-1

1,1,3,5,5-pentaethoxy-pentane

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In diethyl ether at 10℃;A 64%
B 17%
ethanol
64-17-5

ethanol

3.3-diethoxy-propionaldehyde imidechloro stannate

3.3-diethoxy-propionaldehyde imidechloro stannate

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

Conditions
ConditionsYield
at 45℃;
vinyl acetate
108-05-4

vinyl acetate

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

Conditions
ConditionsYield
With iron(III) chloride; sodium hydrogencarbonate 1) 2 h, reflux; 2) 20 deg C, 2 h;56%
at 80℃; beim Erwaermen in Gegenwart von Katalysatoren (z.B. FeCl3, AlCl3, SnCl2, SnCl4, ZnCl2, HgCl2);
2-ethoxy-1,3-dioxane
76508-46-8

2-ethoxy-1,3-dioxane

ethyl vinyl ether
109-92-2

ethyl vinyl ether

A

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

B

di(1,3-dioxan-2-yl)methane
30963-84-9

di(1,3-dioxan-2-yl)methane

C

2-(2,2-diethoxyethyl)-1,3-dioxane
86444-87-3

2-(2,2-diethoxyethyl)-1,3-dioxane

Conditions
ConditionsYield
zinc(II) chloride In diethyl ether temperature below 30 deg C;A n/a
B n/a
C 35%
vinyl acetate
108-05-4

vinyl acetate

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

A

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

B

acetic acid-(1,3,3-triethoxy-propyl ester)
91243-91-3

acetic acid-(1,3,3-triethoxy-propyl ester)

C

1,3-diacetoxy-1,3-diethoxypropane
21633-62-5

1,3-diacetoxy-1,3-diethoxypropane

Conditions
ConditionsYield
With p-benzoquinone at 30℃; for 24h;
2-Ethoxy-5,5-dimethyl-1,3-dioxane
5783-79-9

2-Ethoxy-5,5-dimethyl-1,3-dioxane

ethyl vinyl ether
109-92-2

ethyl vinyl ether

A

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

B

bis(5,5-dimethyl-1,3-dioxan-2-yl)-methane
30859-70-2

bis(5,5-dimethyl-1,3-dioxan-2-yl)-methane

C

2-(2,2-diethoxyethyl)-5,5-dimethyl-1,3-dioxane
86444-88-4

2-(2,2-diethoxyethyl)-5,5-dimethyl-1,3-dioxane

Conditions
ConditionsYield
zinc(II) chloride In diethyl ether temperature below 30 deg C;
(E)-3-Ureido-but-2-enoic acid ethyl ester
5435-44-9, 22243-66-9

(E)-3-Ureido-but-2-enoic acid ethyl ester

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

acetylene
74-86-2

acetylene

A

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

B

1,1-diethoxypropane
4744-08-5

1,1-diethoxypropane

C

1,1,4,4-tetraethoxy-2-butyne
3975-08-4

1,1,4,4-tetraethoxy-2-butyne

Conditions
ConditionsYield
under 8826.09 - 12503.6 Torr;
at 170℃; under 8826.09 - 12503.6 Torr;
ethanol
64-17-5

ethanol

cyclohexa-1,4-diene
1165952-92-0

cyclohexa-1,4-diene

A

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

B

ethyl 3,3-diethoxypropanoate
10601-80-6

ethyl 3,3-diethoxypropanoate

C

diethyl malonate
105-53-3

diethyl malonate

Conditions
ConditionsYield
With hydrogenchloride; ozone -40 deg C, then ca. 30 min reflux;A n/a
B 70%
C n/a
With hydrogenchloride; ozone -40 deg C, then ca. 30 min reflux;A 70%
B 70%
C n/a
With hydrogenchloride; ozone at -40℃; Product distribution;A n/a
B 70%
C n/a
2-bromo-1,1,3-triethoxy-propane
6630-39-3

2-bromo-1,1,3-triethoxy-propane

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: ethanolic KOH-solution
2: hydrogen chloride
View Scheme
orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: boron trifluoride; mercury(II) diacetate
2: iron(III) chloride
View Scheme
1,1-dichloro-3,3-diethoxy-propane
42084-63-9

1,1-dichloro-3,3-diethoxy-propane

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: NaOEt
View Scheme
1-chloro-3,3-diethoxy-propene
14112-65-3

1-chloro-3,3-diethoxy-propene

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: ion-exchange resin + form>
2: Na
View Scheme
1,3,3-triethoxypropene
5444-80-4

1,3,3-triethoxypropene

ethanol
64-17-5

ethanol

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

Conditions
ConditionsYield
With hydrogenchloride
ethanol
64-17-5

ethanol

acetic acid-(1,3,3-triethoxy-propyl ester)
91243-91-3

acetic acid-(1,3,3-triethoxy-propyl ester)

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

Conditions
ConditionsYield
With iron(III) chloride
ethanol
64-17-5

ethanol

malonaldehyde diethylacetal-imine; chloro stannate

malonaldehyde diethylacetal-imine; chloro stannate

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

Conditions
ConditionsYield
at 45℃;
ethanol
64-17-5

ethanol

3,3-diethoxypropanal
6367-37-9

3,3-diethoxypropanal

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

Conditions
ConditionsYield
With hydrogenchloride
ethanol
64-17-5

ethanol

3-chloro-1,3-diethoxy-propene
20760-42-3

3-chloro-1,3-diethoxy-propene

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

Conditions
ConditionsYield
With sodium
Propargylic aldehyde
624-67-9

Propargylic aldehyde

ethanol
64-17-5

ethanol

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

Conditions
ConditionsYield
(i) N-methylpiperidine, (ii) HCl; Multistep reaction;
ethanol
64-17-5

ethanol

1-chloro-3,3-diethoxy-propene
14112-65-3

1-chloro-3,3-diethoxy-propene

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

ethanol
64-17-5

ethanol

3-phenoxy-propenal
2862-47-7

3-phenoxy-propenal

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

vinyl acetate
108-05-4

vinyl acetate

iron(III) chloride
7705-08-0

iron(III) chloride

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

iron(III) chloride
7705-08-0

iron(III) chloride

ethyl vinyl ether
109-92-2

ethyl vinyl ether

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

trans-ethyl 4-hydrazinylcyclohexane-1-carboxylate hydrochloride

trans-ethyl 4-hydrazinylcyclohexane-1-carboxylate hydrochloride

trans-4-pyrazol-1-yl-cyclohexanecarboxylic acid ethyl ester

trans-4-pyrazol-1-yl-cyclohexanecarboxylic acid ethyl ester

Conditions
ConditionsYield
In ethanol for 2h; Reflux;100%
Stage #1: malondialdehyde bis(diethyl acetal); trans-ethyl 4-hydrazinylcyclohexane-1-carboxylate hydrochloride In ethanol Reflux;
Stage #2: With sodium hydrogencarbonate In ethanol; water
100%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

(S)-4-Benzyl-2-oxazolidinone
90719-32-7

(S)-4-Benzyl-2-oxazolidinone

(S,E)-3-(4-benzyl-2-oxooxazolidin-3-yl)acrylaldehyde

(S,E)-3-(4-benzyl-2-oxooxazolidin-3-yl)acrylaldehyde

Conditions
ConditionsYield
With sulfuric acid In chloroform diastereoselective reaction;99%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

1,3-dichloro-1,3-diethoxypropane
50840-17-0

1,3-dichloro-1,3-diethoxypropane

Conditions
ConditionsYield
With phosphorus trichloride at 50℃; for 6h;98.5%
With tetrachloromethane; phosphorus pentachloride
With pyridine; tetrachloromethane; thionyl chloride
With phosphorus pentachloride; trichlorophosphate
(S)-4-(3,4-dimethoxybenzyl)oxazolidin-2-one
142763-11-9

(S)-4-(3,4-dimethoxybenzyl)oxazolidin-2-one

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

(5R,10aS)-5-{[(5R,10aS)-7,8-dimethoxy-3-oxo-1,5,10,10a-tetrahydro[1,3]oxazolo[3,4-b]isoquinolin-5-yl]methyl}-7,8-dimethoxy-1,5,10,10a-tetrahydro[1,3]oxazolo[3,4-b]isoquinolin-3-one

(5R,10aS)-5-{[(5R,10aS)-7,8-dimethoxy-3-oxo-1,5,10,10a-tetrahydro[1,3]oxazolo[3,4-b]isoquinolin-5-yl]methyl}-7,8-dimethoxy-1,5,10,10a-tetrahydro[1,3]oxazolo[3,4-b]isoquinolin-3-one

Conditions
ConditionsYield
With sulfuric acid In chloroform at 20℃; for 12h; Pictet-Spengler Synthesis; diastereoselective reaction;98%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

2,6-diamino-3H-pyrimidin-4-one
100643-27-4, 143504-99-8

2,6-diamino-3H-pyrimidin-4-one

C11H12N8O2
142168-84-1

C11H12N8O2

Conditions
ConditionsYield
With acetic acid for 3.5h; Heating;97%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

3-hexyl-2-methylbenzo[d]thiazol-3-ium iodide

3-hexyl-2-methylbenzo[d]thiazol-3-ium iodide

2-<5-(3-hexyl-2-benzothiazolylidene)-1,3-pentadienyl>-3-nonylbenzothiazolium iodide

2-<5-(3-hexyl-2-benzothiazolylidene)-1,3-pentadienyl>-3-nonylbenzothiazolium iodide

Conditions
ConditionsYield
With pyridine for 2h; Heating;96%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

1.3-butanediol
18826-95-4, 107-88-0

1.3-butanediol

bis(4-methyl-1,3-dioxan-2-yl)methane
71172-96-8

bis(4-methyl-1,3-dioxan-2-yl)methane

Conditions
ConditionsYield
With KU-2-8 cation exchange resin In benzene at 120 - 130℃; heating until alcohol liberation was complete;95%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

3-nonyl-2-methylbenzothiazolium iodide

3-nonyl-2-methylbenzothiazolium iodide

2-<5-(3-nonyl-2-benzothiazolylidene)-1,3-pentadienyl>-3-nonylbenzothiazolium iodide

2-<5-(3-nonyl-2-benzothiazolylidene)-1,3-pentadienyl>-3-nonylbenzothiazolium iodide

Conditions
ConditionsYield
With pyridine for 2h; Heating;95%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

1-bromo-2-ethoxyethene
18519-95-4

1-bromo-2-ethoxyethene

2-bromo-1,1,3,5,5-pentaethoxy-pentane
25798-89-4

2-bromo-1,1,3,5,5-pentaethoxy-pentane

Conditions
ConditionsYield
With zinc(II) chloride In ethyl acetate for 5.5h; Ambient temperature;94%
With boron trifluoride diethyl etherate
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

bis(4,4,6-trimethyl-1,3-dioxan-2-yl)methane
86444-86-2

bis(4,4,6-trimethyl-1,3-dioxan-2-yl)methane

Conditions
ConditionsYield
With KU-2-8 cation-exchange resin at 110 - 120℃; heating until alcohol liberation was complete;94%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

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

2,2-Dimethyl-1,3-propanediol

bis(5,5-dimethyl-1,3-dioxan-2-yl)-methane
30859-70-2

bis(5,5-dimethyl-1,3-dioxan-2-yl)-methane

Conditions
ConditionsYield
With KU-2-8 cation-exchange resin at 110 - 120℃; heating until alcohol liberation was complete;94%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

bis(4,4-dimethyl-1,3-dioxan-2-yl)methane
86444-85-1

bis(4,4-dimethyl-1,3-dioxan-2-yl)methane

Conditions
ConditionsYield
With KU-2-8 cation-exchange resin In benzene at 120 - 130℃; heating until alcohol liberation was complete;93%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

propylene glycol
57-55-6

propylene glycol

bis(4-methyl-1,3-dioxolan-2-yl)methane
1599-50-4

bis(4-methyl-1,3-dioxolan-2-yl)methane

Conditions
ConditionsYield
With KU-2-8 cation-exchange resin at 110 - 120℃; heating until alcohol liberation was complete;93%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

2-Thiobarbituric acid
91759-32-9

2-Thiobarbituric acid

5-<3-(6-hydroxy-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrimidin-5-yl)prop-2-enylidene>-2-thioxo-2,3-dihydropyrimidine-4,6(1H,5H)-dione

5-<3-(6-hydroxy-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrimidin-5-yl)prop-2-enylidene>-2-thioxo-2,3-dihydropyrimidine-4,6(1H,5H)-dione

Conditions
ConditionsYield
With hydrogenchloride for 1.5h; Heating;93%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

4-nitro-2H-pyrazol-3-ylamine hydrochloride

4-nitro-2H-pyrazol-3-ylamine hydrochloride

3-nitro-pyrazolo[1,5-a]pyrimidine
55405-64-6

3-nitro-pyrazolo[1,5-a]pyrimidine

Conditions
ConditionsYield
With acetic acid92.5%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

ethylene glycol
107-21-1

ethylene glycol

di(1,3-dioxolan-2-yl)methane
4405-17-8

di(1,3-dioxolan-2-yl)methane

Conditions
ConditionsYield
With KU-2-8 cation-exchange resin at 110 - 120℃; heating until alcohol liberation was complete;92%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

2.3-butanediol
513-85-9

2.3-butanediol

bis(4,5-dimethyl-1,3-dioxolan-2-yl)methane
32465-54-6

bis(4,5-dimethyl-1,3-dioxolan-2-yl)methane

Conditions
ConditionsYield
With KU-2-8 cation-exchange resin at 110 - 120℃; heating until alcohol liberation was complete;91%
potassium tetrachloroplatinate

potassium tetrachloroplatinate

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

1,2-diamino-benzene
95-54-5

1,2-diamino-benzene

[(dibenzo[b,i]-1,4,8,11-tetraaza[14]annulene)platinum(II)]
77624-36-3

[(dibenzo[b,i]-1,4,8,11-tetraaza[14]annulene)platinum(II)]

Conditions
ConditionsYield
With CH3COOH; NaCH3COO In ethanol; water complex reacted with o-phenylenediamine at 60°C in aq. EtOH for 30 min, AcOH and tetraethoxypropane added, mixt. refluxed for 2 h, NaOAcadded, refluxed for 16 h; ppt. filtered while hot, washed with H2O, EtOH, ether, sublimated in vac. at 300°C, 0.01 Torr.;91%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

4-(trifluoromethyl)phenylhydrazine hydrochloride
2923-56-0

4-(trifluoromethyl)phenylhydrazine hydrochloride

1-(4-trifluoromethyl-phenyl)-1H-pyrazole
207797-05-5

1-(4-trifluoromethyl-phenyl)-1H-pyrazole

Conditions
ConditionsYield
With hydrogenchloride In ethanol at 75℃; for 2h;91%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

2,3-dimethyl-2,3-butane diol
76-09-5

2,3-dimethyl-2,3-butane diol

1,3-bis(4',4',5',5'-tetramethyl-1,3-dioxolan-2-yl)methane
86444-84-0

1,3-bis(4',4',5',5'-tetramethyl-1,3-dioxolan-2-yl)methane

Conditions
ConditionsYield
With KU-2-8 cation-exchange resin In benzene at 120 - 130℃; heating until alcohol liberation was complete;90%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

3,5-dimethylaminoaniline
108-69-0

3,5-dimethylaminoaniline

N-<3-(3,5-Dimethylphenylimino)-1-propenyl>-3,5-dimethylanilin-Hydrogenperchlorat

N-<3-(3,5-Dimethylphenylimino)-1-propenyl>-3,5-dimethylanilin-Hydrogenperchlorat

Conditions
ConditionsYield
With perchloric acid In ethanol for 2h; Heating;90%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

trimethyleneglycol
504-63-2

trimethyleneglycol

di(1,3-dioxan-2-yl)methane
30963-84-9

di(1,3-dioxan-2-yl)methane

Conditions
ConditionsYield
With KU-2-8 cation-exchange resin In benzene at 120 - 130℃; heating until alcohol liberation was complete;89%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

aniline hydrochloride
142-04-1

aniline hydrochloride

phenyl[3-phenylaminoprop-2-en-1-ylidene]ammonium chloride
23769-16-6, 28140-60-5, 50328-50-2, 58467-94-0, 125367-88-6

phenyl[3-phenylaminoprop-2-en-1-ylidene]ammonium chloride

Conditions
ConditionsYield
In methanol Heating; Reflux;89%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

2-(trifluoromethyl)phenylhydrazine hydrochloride
3107-34-4

2-(trifluoromethyl)phenylhydrazine hydrochloride

1-(2-(trifluoromethyl)phenyl)-1H-pyrazole
84401-17-2

1-(2-(trifluoromethyl)phenyl)-1H-pyrazole

Conditions
ConditionsYield
With hydrogenchloride In ethanol at 75℃; for 2h;88%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

3-Chloro-6-hydrazinopyridazine
17284-97-8

3-Chloro-6-hydrazinopyridazine

3-chloro-6-(1H-pyrazol-1-yl)pyridazine
29334-66-5

3-chloro-6-(1H-pyrazol-1-yl)pyridazine

Conditions
ConditionsYield
With acetic acid In ethanol for 3h; Reflux;86%
2-aminopyridine
504-29-0

2-aminopyridine

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

pyrido[1,2-a]pyrimidinium perchlorate

pyrido[1,2-a]pyrimidinium perchlorate

Conditions
ConditionsYield
With perchloric acid In ethanol at 80℃; Inert atmosphere;86%
2-amino-3-hydroxypyridine
16867-03-1

2-amino-3-hydroxypyridine

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

9-hydroxy-pyrido<1,2-a>pyrimidin-5-ium perchlorate

9-hydroxy-pyrido<1,2-a>pyrimidin-5-ium perchlorate

Conditions
ConditionsYield
With perchloric acid In ethanol at 80℃; for 12h; Inert atmosphere;85%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

phenylhydrazine hydrochloride
59-88-1

phenylhydrazine hydrochloride

1-phenylpyrazole
1126-00-7

1-phenylpyrazole

Conditions
ConditionsYield
With hydrogenchloride In ethanol at 75℃; for 2h;84%
With ethanol
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

5-amino-3-methyl-N-phenylpyrazole-4-carboxamide
96319-19-6

5-amino-3-methyl-N-phenylpyrazole-4-carboxamide

2-methyl-N-phenylpyrazolo<1,5-a>pyrimidine-3-carboxamide
96319-20-9

2-methyl-N-phenylpyrazolo<1,5-a>pyrimidine-3-carboxamide

Conditions
ConditionsYield
With hydrogenchloride In ethanol at 60 - 80℃; for 2h;84%
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

3‐cyclopropyl‐4‐thiocyanato‐1H‐pyrazol‐5‐amine

3‐cyclopropyl‐4‐thiocyanato‐1H‐pyrazol‐5‐amine

2‐cyclopropyl‐3‐thiocyanatopyrazolo[1,5‐a]pyrimidine

2‐cyclopropyl‐3‐thiocyanatopyrazolo[1,5‐a]pyrimidine

Conditions
ConditionsYield
With hydrogenchloride In water for 24h;84%
With hydrogenchloride In ethanol; water for 24h;
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