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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 Crotonaldehyde supplier in China

Cas:123-73-9

Min.Order:1 Metric Ton

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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 Crotonaldehyde

Cas:123-73-9

Min.Order:1

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Type:Other

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Kono Chem Co.,Ltd

Xi'an Kono Chem Co., Ltd., founded in 2014, is a holding enterprise of Hongkong Pioneer Biotech Group. It is an export-oriented manufacturing enterprise supported by the Ministry of Commerce. Kono Chem is located in Xi'an, Shaanxi Provin

Crotonaldehyde

Cas:123-73-9

Min.Order:1 Metric Ton

FOB Price: $3050.0 / 3150.0

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Quality 99% 2-Butenal, (2E)- 123-73-9 ISO Producer

Cas:123-73-9

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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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

Crotonaldehyde

Cas:123-73-9

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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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

Crotonaldehyde

Cas:123-73-9

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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Chemwill Asia Co., Ltd.

CHemwill -- Crotonaldehyde

Cas:123-73-9

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. High quality and competitive price: 1) Standard: BP/USP/EP/ enterprise standard 2) All purity ≥99% 3) We are manufacturers and can provide high quality products at factory prices. 2. Fast and safe delivery 1) The package c

Crotonaldehyde CAS:123-73-9

Cas:123-73-9

Min.Order:1 Kilogram

FOB Price: $5.0 / 10.0

Type:Trading Company

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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.O

TIANFU CHEM-- Crotonaldehyde

Cas:123-73-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

Pharmaceutical Grade CAS 123-73-9 with competitive price

Cas:123-73-9

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

Factory Supply High Quality CAS 123-73-9 ,Croton aldehyde

Cas:123-73-9

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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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

2-Butenal, (2E)- 123-73-9

Cas:123-73-9

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

Shanghai Minstar Chemical Co., Ltd

Product Name: Crotonaldehyde CAS: 123-73-9 MF: C4H6O MW: 70.09 EINECS: 204-647-1 Mol File: 123-73-9.mol Crotonaldehyde Structure Crotonaldehyde Chemical Properties Melting point −76 °C(lit.) Boiling point 104 &de

Crotonaldehyde

Cas:123-73-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

Crotonaldehyde CAS:123-73-9 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 organic intermediate

Crotonaldehyde CAS:123-73-9

Cas:123-73-9

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

2-Butenal, (2E)-

Cas:123-73-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Wuhan Wonda Pharm Limited

1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products with competi

Crotonaldehyde

Cas:123-73-9

Min.Order:10 Gram

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.:123-73-9

Cas:123-73-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Lonwin Chemical Group Limited

Crotonaldehyde CAS:123-73-9 Specification Items Specification Appearance Yellow liquid Purity 99%min Water 0.3%max Welcome t

Factory supply Crotonaldehyde

Cas:123-73-9

Min.Order:1 Kilogram

Negotiable

Type:Other

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Triumph International Development Limilted

Appearance:Colorless and transparent liquid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common pro

Crotonaldehyde

Cas:123-73-9

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

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Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

Crotonaldehyde cas 123-73-9

Cas:123-73-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

Croton aldehyde

Cas:123-73-9

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

Crotonaldehyde

Cas:123-73-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

Crotonaldehyde

Cas:123-73-9

Min.Order:1 Gram

FOB Price: $1.0

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

High quality Crotonaldehyde

Cas:123-73-9

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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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

Croton aldehyde

Cas:123-73-9

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

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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,

Crotonaldehyde

Cas:123-73-9

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

Reliable Quality Crotonaldehyde

Cas:123-73-9

Min.Order:0

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,

Crotonaldehyde

Cas:123-73-9

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

Croton aldehyde

Cas:123-73-9

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

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Synthetic route

(E)-2-(prop-1-en-1-yl)-1,3-dioxolane
96424-44-1

(E)-2-(prop-1-en-1-yl)-1,3-dioxolane

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
With cerium triflate In nitromethane; water at 20℃; for 0.5h;99%
epoxybutene
930-22-3

epoxybutene

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
With lithium phosphate In hexane at 310℃; Isomerization;98.9%
(E)-but-2-enol
504-61-0

(E)-but-2-enol

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
With N-chloro-N-(benzenesulfonyl)benzenesulfonamide In chloroform at 20 - 25℃; for 0.166667h; Inert atmosphere; chemoselective reaction;97%
With bis(cyclopentadienyl)dihydrozirconium; benzaldehyde In toluene at 110℃; for 8h;92%
With [2,2]bipyridinyl; 2,2,6,6-tetramethyl-piperidine-N-oxyl; potassium tert-butylate; copper(ll) bromide In water; acetonitrile at 20℃; for 5h;91%
epoxybutene
930-22-3

epoxybutene

A

2,5-dihydrofuran
1708-29-8

2,5-dihydrofuran

B

furan
110-00-9

furan

C

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
tetra-n-heptylammonium iodide; tributyltin iodide In para-xylene at 109 - 117℃; for 0.75h;A 96.1%
B n/a
C n/a
epoxybutene
930-22-3

epoxybutene

A

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

B

methyl vinyl ketone
78-94-4

methyl vinyl ketone

Conditions
ConditionsYield
With lithium phosphate In hexane at 300℃; Product distribution; Further Variations:; Temperatures; various substrate concentration; Isomerization;A 92%
B 3.3%
With lithium phosphate In hexane at 300℃; Isomerization;A 92%
B 3.3%
2'-Deoxyguanosine
961-07-9

2'-Deoxyguanosine

acetaldehyde
75-07-0

acetaldehyde

A

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

B

8-hydroxy-3-(4-hydroxy-5-hydroxymethyl-tetra-hydrofuran-2-yl)-6-methyl-5,6,7,8-tetrahydro-3H-1,3,4,5,8a-pentaaza-cyclopenta[b]naphthalen-9-one
132014-87-0

8-hydroxy-3-(4-hydroxy-5-hydroxymethyl-tetra-hydrofuran-2-yl)-6-methyl-5,6,7,8-tetrahydro-3H-1,3,4,5,8a-pentaaza-cyclopenta[b]naphthalen-9-one

Conditions
ConditionsYield
With L-arginine In phosphate buffer at 37℃; for 8h; pH=8.0; Michael addition;A n/a
B 92%
but-3-enal enol tautomer
32797-18-5

but-3-enal enol tautomer

A

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

B

3-butenal
7319-38-2

3-butenal

Conditions
ConditionsYield
oxonium In water at 25℃; Rate constant; ketonization; variation of pH;A 90.1%
B n/a
trans-1,1,-diacetoxy-2-butene
78267-54-6

trans-1,1,-diacetoxy-2-butene

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
With N,N'-dibromo-N,N'-(1,2-ethanediyl)bis(p-toluenesulfonamide); water at 20℃; for 0.0666667h; solid-phase reaction;90%
5-Brom-2-trans-penten-1-ol
53799-54-5

5-Brom-2-trans-penten-1-ol

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
With pyridinium chlorochromate In dichloromethane for 1.5h;89%
epoxybutene
930-22-3

epoxybutene

A

2,5-dihydrofuran
1708-29-8

2,5-dihydrofuran

B

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
dodecanyltriphenylphosphonium iodide; tributyltin iodide In para-xylene at 110 - 119℃; for 0.883333h;A 87.2%
B n/a
tetra-n-butylphosphonium iodide; tributyltin iodide In 1,2-dichloro-benzene at 130℃; for 0.25h;A 86.1%
B n/a
3-methyl-2-phenyl-2,2-(trimethylenedioxy)-1,2λ5-oxaphosphol-4-ene
66918-50-1, 86196-42-1

3-methyl-2-phenyl-2,2-(trimethylenedioxy)-1,2λ5-oxaphosphol-4-ene

A

2-phenyl-[1,3,2]dioxaphosphinane
7526-32-1

2-phenyl-[1,3,2]dioxaphosphinane

B

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
at 120℃; under 10 - 20 Torr;A 71%
B 86%
(1-Methyl-3-oxo-propyl)-triphenyl-phosphonium; perchlorate
85067-07-8

(1-Methyl-3-oxo-propyl)-triphenyl-phosphonium; perchlorate

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
With triethylamine In methanol; chloroform Ambient temperature;85%
stannic bromide
7789-67-5

stannic bromide

buta-1,3-diene
106-99-0

buta-1,3-diene

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
In toluene79.8%
(2E)-butenoyltriphenylsilane

(2E)-butenoyltriphenylsilane

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride In tetrahydrofuran at 0℃; for 4h;78%
(E)-1-Pyrrol-1-yl-but-2-en-1-ol

(E)-1-Pyrrol-1-yl-but-2-en-1-ol

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 20℃; for 12h;74%
2,2-(ethylenedioxy)-2-phenoxy-1,2λ5-oxaphosphol-4-ene
81588-52-5

2,2-(ethylenedioxy)-2-phenoxy-1,2λ5-oxaphosphol-4-ene

A

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

B

ethylene phenyl phosphite
22846-16-8

ethylene phenyl phosphite

Conditions
ConditionsYield
at 150℃; under 10 - 15 Torr;A 71.5%
B 65%
(Z)-1-hydroxy-1,3-butadiene
70415-58-6

(Z)-1-hydroxy-1,3-butadiene

A

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

B

3-butenal
7319-38-2

3-butenal

Conditions
ConditionsYield
oxonium In water at 25℃; Rate constant; ketonization; variation of pH;A 69.8%
B n/a
3-hydroxy-butyraldehyde dimethyldithioacetal
91002-92-5

3-hydroxy-butyraldehyde dimethyldithioacetal

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
With dimethyl sulfoxide at 160℃;63%
3-butenal dimethyl acetal
72380-56-4

3-butenal dimethyl acetal

A

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

B

3-butenal
7319-38-2

3-butenal

Conditions
ConditionsYield
With hydrogenchloride for 0.166667h; Title compound not separated from byproducts;A 5%
B 60%
With hydrogenchloride for 0.166667h;A 5%
B 60%
methyl magnesium iodide
917-64-6

methyl magnesium iodide

1,2,3-triazine
289-96-3

1,2,3-triazine

A

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

B

5-methyl-2,5-dihydro-1,2,3-triazine
101219-10-7

5-methyl-2,5-dihydro-1,2,3-triazine

Conditions
ConditionsYield
In diethyl ether for 0.5h; Product distribution; other 1,2,3-triazine and Grignard reagent;A n/a
B 42%
In diethyl ether for 0.5h; 0 deg C to room temp.;A n/a
B 42%
acetaldehyde
75-07-0

acetaldehyde

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
With MgO-SiO 2 at 350℃; for 1h; Reagent/catalyst; Inert atmosphere;27.7%
With Bi2O3-doped zinc oxide; hydrogen at 400℃;
With hydrogen; magnesium oxide; bismuth(III) oxide at 400℃;
4-methyl-2-oxobutyrolactone
1944-45-2

4-methyl-2-oxobutyrolactone

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
at 300℃; unter Stickstoff;
1-ethoxybuta-1,3-diene
5614-32-4

1-ethoxybuta-1,3-diene

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
With sulfuric acid
3-ethoxy-butyraldehyde
72663-76-4

3-ethoxy-butyraldehyde

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
With ammonium dihydrogen phosphate at 150℃;
1,1,3-triethoxy-butane
5870-82-6

1,1,3-triethoxy-butane

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
With hydrogenchloride
cis-2-buten-1-al diethyl acetal
112775-53-8

cis-2-buten-1-al diethyl acetal

oxalic acid
144-62-7

oxalic acid

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

1,1-dimethoxyethylene
922-69-0

1,1-dimethoxyethylene

acetaldehyde
75-07-0

acetaldehyde

A

Trimethyl orthoacetate
1445-45-0

Trimethyl orthoacetate

B

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

C

crotonic acid methyl ester
623-43-8

crotonic acid methyl ester

D

acetic acid methyl ester
79-20-9

acetic acid methyl ester

Conditions
ConditionsYield
at 150℃;
buta-1,3-diene
106-99-0

buta-1,3-diene

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

Conditions
ConditionsYield
With oxygen; palladium dichloride
Cyclopropanecarboxaldehyde
1489-69-6

Cyclopropanecarboxaldehyde

A

2,3-dihydro-2H-furan
1191-99-7

2,3-dihydro-2H-furan

B

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

C

propene
187737-37-7

propene

Conditions
ConditionsYield
at 500℃;
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

(E)-but-2-enol
504-61-0

(E)-but-2-enol

Conditions
ConditionsYield
Stage #1: trans-Crotonaldehyde With sodium tetrahydroborate at 25℃; for 0.25h; Ball milling; neat (no solvent);
Stage #2: With water regiospecific reaction;
100%
With C29H34BNOP2Ru In dichloromethane; isopropyl alcohol for 0.108333h; Reagent/catalyst; Solvent; Schlenk technique; Inert atmosphere; Reflux;99%
With lithium aluminium tetrahydride In diethyl ether at 0℃; for 0.25h;96%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

phenylacetylene
536-74-3

phenylacetylene

(E)-1-phenylhex-4-en-1-yn-3-ol
63124-67-4

(E)-1-phenylhex-4-en-1-yn-3-ol

Conditions
ConditionsYield
Stage #1: phenylacetylene With ethylmagnesium bromide In tetrahydrofuran at 50℃; for 1h;
Stage #2: trans-Crotonaldehyde In tetrahydrofuran at 23 - 25℃; for 3h; Further stages.;
100%
Stage #1: phenylacetylene With lithium In tetrahydrofuran at 15 - 20℃; sonication;
Stage #2: trans-Crotonaldehyde In tetrahydrofuran at 15 - 20℃; for 0.5h;
53%
(i) EtMgBr, Et2O, (ii) /BRN= 1209254/; Multistep reaction;
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

prop-1-yne
74-99-7

prop-1-yne

(E)-2-hepten-5-yn-4-ol
63124-69-6

(E)-2-hepten-5-yn-4-ol

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; pentane at -78℃; for 0.833333h;100%
(i) EtMgBr, Et2O, (ii) /BRN= 1209254/; Multistep reaction;
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

2-chloro-2,2-difluoroacetophenone
384-67-8

2-chloro-2,2-difluoroacetophenone

(E)-2,2-difluoro-3-hydroxy-1-phenyl-4-hexen-1-onen
115818-54-7

(E)-2,2-difluoro-3-hydroxy-1-phenyl-4-hexen-1-onen

Conditions
ConditionsYield
With copper(l) chloride; zinc In tetrahydrofuran; diethyl ether Heating;100%
With molecular sieve; copper(l) chloride; zinc In tetrahydrofuran; diethyl ether for 1h; Heating;100%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
palladium on charcoal In hexane100%
With sodium tetrahydroborate; nickel dichloride In methanol; water at 20℃; for 0.25h;75%
With hydrogen; aluminum oxide; titanium-palladium at 100℃;
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

N-Phenylhydroxylamine
100-65-2

N-Phenylhydroxylamine

2-phenyl-3-methyl-5-hydroxyisoxazolidine
114056-75-6

2-phenyl-3-methyl-5-hydroxyisoxazolidine

Conditions
ConditionsYield
With calcium chloride In chloroform at 20℃; for 24h;100%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

benzylamine
100-46-9

benzylamine

N-benzyl-N-but-2-enylideneamine
183311-38-8

N-benzyl-N-but-2-enylideneamine

Conditions
ConditionsYield
With 3 A molecular sieve In dichloromethane for 24h;100%
With 4 A molecular sieve In diethyl ether Ambient temperature;
With molecular sieve In dichloromethane for 24h; Ambient temperature;
With 4 A molecular sieve In diethyl ether Condensation;
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

3-methoxymethoxy-1-heptyne
211694-56-3

3-methoxymethoxy-1-heptyne

(E)-7-methoxymethoxy-2-undecen-5-yn-4-ol
211694-58-5

(E)-7-methoxymethoxy-2-undecen-5-yn-4-ol

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; pentane at -78℃; for 1.5h;100%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

C,N-diphenylnitrone
201024-81-9

C,N-diphenylnitrone

5-methyl-2,3-diphenylisoxazolidine-4-carbaldehyde

5-methyl-2,3-diphenylisoxazolidine-4-carbaldehyde

Conditions
ConditionsYield
aluminium tris(2,6-diphenylphenoxide) In dichloromethane at 0℃; for 24h;100%
pyrrole
109-97-7

pyrrole

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

(E)-1-Pyrrol-1-yl-but-2-en-1-ol

(E)-1-Pyrrol-1-yl-but-2-en-1-ol

Conditions
ConditionsYield
Stage #1: pyrrole With n-butyllithium In tetrahydrofuran; hexane at -78℃;
Stage #2: trans-Crotonaldehyde In tetrahydrofuran; hexane
100%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

propynoic acid ethyl ester
623-47-2

propynoic acid ethyl ester

C9H12O3

C9H12O3

Conditions
ConditionsYield
Stage #1: propynoic acid ethyl ester With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 0.5h;
Stage #2: trans-Crotonaldehyde In tetrahydrofuran; hexane at -78℃; for 1.5h;
100%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

C-methoxycarbonyl-C,N-dimethylnitrone

C-methoxycarbonyl-C,N-dimethylnitrone

(3R,4S,5R)-methyl 4-formyl-2,3,5-trimethylisoxazolidine-3-carboxylate
1373354-10-9

(3R,4S,5R)-methyl 4-formyl-2,3,5-trimethylisoxazolidine-3-carboxylate

Conditions
ConditionsYield
With (5S)-(−)-2,2,3-trimethyl-5-benzyl-4-imidazolidinone monohydrochloride In nitromethane at -18℃; for 168h; stereoselective reaction;100%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

5-Hexen-1-ol
821-41-0

5-Hexen-1-ol

(E)-7-hydroxyhept-2-enal
1100136-96-6

(E)-7-hydroxyhept-2-enal

Conditions
ConditionsYield
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane for 2h; Reflux; Inert atmosphere;100%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

6-hepten-1-ol
4117-10-6

6-hepten-1-ol

(E)-8-hydroxyoct-2-enal

(E)-8-hydroxyoct-2-enal

Conditions
ConditionsYield
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane for 2h; Reflux; Inert atmosphere;100%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

phenylmagnesium bromide
100-58-3

phenylmagnesium bromide

(2E)-1-phenylbut-2-en-1-ol
52755-39-2

(2E)-1-phenylbut-2-en-1-ol

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether at 0 - 20℃; for 7.5h;99.9%
In tetrahydrofuran; diethyl ether at 0 - 20℃; for 4h;99.9%
In tetrahydrofuran; diethyl ether at 0 - 20℃; for 7.5h; Saturated aqueous ammonium chloride solution;99.9%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

4-fluoro-2-methoxyaniline
450-91-9

4-fluoro-2-methoxyaniline

6-fluoro-8-methoxy-2-methylquinoline
1412256-43-9

6-fluoro-8-methoxy-2-methylquinoline

Conditions
ConditionsYield
With hydrogenchloride In water for 2h; Reflux;99.8%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

thiophenol
108-98-5

thiophenol

3-(phenylthio)butanal
38160-59-7

3-(phenylthio)butanal

Conditions
ConditionsYield
With triethylamine at 0℃; for 0.5h;99%
With triethylamine In dichloromethane90%
With 1-pentyl-3-methylimidazolium bromide at 20℃; for 1.5h; Michael addition;88%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

meso-2,6-octadiene-4,5-diol
1086238-40-5

meso-2,6-octadiene-4,5-diol

Conditions
ConditionsYield
With acetic acid; zinc In water at 20℃; for 0.333333h; Reagent/catalyst; Solvent; Green chemistry;99%
With potassium chloride In ethanol (electrolysis);
With titanium tetrachloride; magnesium; tert-butyl alcohol 1.) -60 deg C to RT, 24 h, THF, 2.) 20 deg C, 72 h, THF; Yield given. Multistep reaction;
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

tetraallyl tin
7393-43-3

tetraallyl tin

(5E)-hepta-1,5-dien-4-ol
24581-03-1

(5E)-hepta-1,5-dien-4-ol

Conditions
ConditionsYield
With n-butyllithium; cerium(III) chloride In tetrahydrofuran; hexane at -78℃; for 1h;99%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

para-thiocresol
106-45-6

para-thiocresol

3-p-toluenethio-1-butanol
102211-95-0

3-p-toluenethio-1-butanol

Conditions
ConditionsYield
With triethylamine In ethanol; water for 3h; Ambient temperature;99%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

benzaldehyde
100-52-7

benzaldehyde

5-hydroxy-5-phenyl-(E)-2-pentenal
159086-24-5

5-hydroxy-5-phenyl-(E)-2-pentenal

Conditions
ConditionsYield
Stage #1: trans-Crotonaldehyde; benzaldehyde With aluminium tris(2,6-diphenylphenoxide) In toluene at -78℃; for 0.0833333h;
Stage #2: With lithium diisopropyl amide In tetrahydrofuran; hexane; toluene at -78℃; for 0.5h;
99%
With aluminium tris(2,6-diphenylphenoxide); lithium diisopropyl amide 1.) toluene, -78 deg C, 2.) toluene, THF, -78 deg C, 15 min; Yield given. Multistep reaction;
4-hydroxy-6-methyl-2-pyron
675-10-5

4-hydroxy-6-methyl-2-pyron

trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

2,7-dimethyl-2H,5H-pyrano<3,2-c>pyran-5-one
92405-72-6

2,7-dimethyl-2H,5H-pyrano<3,2-c>pyran-5-one

Conditions
ConditionsYield
With 2,4,8,10-Tetra-tert-butyl-6-hydroxydibenzo[d,f][1,3,2]dioxaphosphepine 6-oxide; sodium sulfate In toluene at 60℃; Inert atmosphere; regioselective reaction;99%
With piperidine; acetic anhydride In ethyl acetate at -10 - 85℃;66%
Stage #1: trans-Crotonaldehyde With piperidine; acetic anhydride In ethyl acetate at -10 - 85℃;
Stage #2: 4-hydroxy-6-methyl-2-pyron In ethyl acetate at 85℃; Further stages.;
66%
With piperdinium acetate; sodium sulfate In ethyl acetate at 80 - 90℃; for 18h;
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

triphenyl(phenylmethylene)phosphorane
16721-45-2

triphenyl(phenylmethylene)phosphorane

(1E,3E)-1-phenyl-1,3-pentadiene
3909-96-4

(1E,3E)-1-phenyl-1,3-pentadiene

Conditions
ConditionsYield
Wittig reaction;99%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

(Z)-2-iodocrotonaldehyde
577968-41-3

(Z)-2-iodocrotonaldehyde

Conditions
ConditionsYield
With dmap; iodine; potassium carbonate In tetrahydrofuran for 2.5h;99%
With dmap; iodine; potassium carbonate In tetrahydrofuran; water at 20℃; for 3h;
With dmap; iodine; potassium carbonate In tetrahydrofuran; water at 20℃; for 2h; Inert atmosphere;
With dmap; iodine; potassium carbonate In tetrahydrofuran; water at 20℃; for 2h;
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

benzenesulfonyl cyanide
24224-99-5

benzenesulfonyl cyanide

2-(phenylsulfonyl)pyridine
24244-60-8

2-(phenylsulfonyl)pyridine

Conditions
ConditionsYield
In toluene; butan-1-ol99%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

boric acid tributyl ester
688-74-4

boric acid tributyl ester

benzenesulfonyl cyanide
24224-99-5

benzenesulfonyl cyanide

2-(phenylsulfonyl)pyridine
24244-60-8

2-(phenylsulfonyl)pyridine

Conditions
ConditionsYield
In di-isopropyl ether; butan-1-ol99%
In toluene; butan-1-ol99%
In toluene98%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

1,5-dimethyl-7-chloro-2-(4-pentenyl)-1H-indole
1014623-87-0

1,5-dimethyl-7-chloro-2-(4-pentenyl)-1H-indole

2-(8-chloro-6,9-dimethyl-2,3,4,9-tetrahydro-1H-carbazol-4-yl)acetaldehyde
1014624-03-3

2-(8-chloro-6,9-dimethyl-2,3,4,9-tetrahydro-1H-carbazol-4-yl)acetaldehyde

Conditions
ConditionsYield
[1,3-bis-(2,4,6-trimethylphenyl)-2-imidazolidinylidene]dichloro(O-isopropoxyphenylmethylene)ruthenium In 1,2-dichloro-ethane for 0.666667h; Heating;99%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

10-Undecen-1-ol
112-43-6

10-Undecen-1-ol

(E)-12-Hydroxy-dodec-2-enal

(E)-12-Hydroxy-dodec-2-enal

Conditions
ConditionsYield
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane for 15h; Inert atmosphere; Reflux;99%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

N-benzoylimino-3,4-dihydro-6-methylisoquinolinium betaine
1219468-14-0

N-benzoylimino-3,4-dihydro-6-methylisoquinolinium betaine

C21H22N2O2

C21H22N2O2

Conditions
ConditionsYield
With titanium(IV) isopropylate; (S)-[1,1']-binaphthalenyl-2,2'-diol In toluene at 0℃; for 2h; Inert atmosphere; optical yield given as %ee; enantioselective reaction;99%
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