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4-tert-butyl-1-cyclohexene-1-carboxylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

23022-33-5

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23022-33-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23022-33-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,0,2 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 23022-33:
(7*2)+(6*3)+(5*0)+(4*2)+(3*2)+(2*3)+(1*3)=55
55 % 10 = 5
So 23022-33-5 is a valid CAS Registry Number.

23022-33-5Downstream Products

23022-33-5Relevant academic research and scientific papers

Palladium catalyzed carbonylations of alkenyl halides with formic acid to get corresponding Α,Β-unsaturated carboxylic acids and esters

Bartal, Brigitta,Mikle, Gábor,Kollár, László,Pongrácz, Péter

, p. 143 - 149 (2019)

Palladium-catalysed carbonylation reactions have been developed in the presence of formic acid as carbon monoxide source. α,β-Unsaturated carboxylic acids and esters were synthesized by the transformation of alkenyl halides in moderate to good yields. The selection of the base proved to be crucial regarding the reaction outcome. A set of various substrates were proven under optimised reaction conditions. Compared to aliphatic alcohols, phenols showed excellent reactivity as O-nucleophiles.

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