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2-(1-phenylvinyl)prop-2-enoic acid, also known as cinnamic acid, is an organic compound with the chemical formula C9H8O2. It is a colorless to pale yellow crystalline solid that is derived from the essential oil of cinnamon. 2-(1-phenylvinyl)prop-2-enoic acid is a member of the phenylpropenoic acid family and is characterized by its conjugated double bond system, which gives it unique chemical properties. Cinnamic acid is an important intermediate in the synthesis of various pharmaceuticals, fragrances, and flavorings. It is also used in the production of polymers and as a precursor in the synthesis of other organic compounds. The compound's structure features a phenyl ring attached to a propenoic acid chain, which contributes to its reactivity and versatility in chemical transformations.

5633-65-8

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5633-65-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5633-65-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,3 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5633-65:
(6*5)+(5*6)+(4*3)+(3*3)+(2*6)+(1*5)=98
98 % 10 = 8
So 5633-65-8 is a valid CAS Registry Number.

5633-65-8Downstream Products

5633-65-8Relevant academic research and scientific papers

Palladium catalyzed regioselective elimination-hydrocarbonylation of propargylic alcohols

Yuan, Yuan,Jia, Minqiang,Zhang, Wanli,Ma, Shengming

, p. 7938 - 7941 (2019)

A straightforward approach to synthesizing substituted 1,3-alkadien-2-yl carboxylic acids starting from readily available propargylic alcohols was developed. Based on mechanistic studies, the reaction was found to proceed via regioselective hydrocarbonylation of the C-C triple bonds of the in situ formed 1,3-enyne intermediates, providing 1,3-alkadien-2-yl carboxylic acids with a very high selectivity.

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