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91142-97-1

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91142-97-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91142-97-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,4 and 2 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 91142-97:
(7*9)+(6*1)+(5*1)+(4*4)+(3*2)+(2*9)+(1*7)=121
121 % 10 = 1
So 91142-97-1 is a valid CAS Registry Number.

91142-97-1Relevant articles and documents

Synthesis of Allylboranes via Cu(I)-Catalyzed B-H Insertion of Vinyldiazoacetates into Phosphine-Borane Adducts

Drikermann, Denis,M??el, Robert S.,Al-Jammal, Walid K.,Vilotijevic, Ivan

supporting information, p. 1091 - 1095 (2020/02/15)

Cu(I) catalysts enable C-B bond formation via direct insertion of vinyldiazoacetates into B-H bonds of borane-phosphine Lewis adducts to form phosphine-protected allylboranes under mild conditions. The resulting allylborane-phosphine Lewis adducts can be used in the diastereoselective allylation of aldehydes directly without the need for removal of the phosphine. The allylation reaction proceeds with high diastereoselectivity and yields 5,6-disubstituted dihydropyranones after treatment with an appropriate acid.

Electrochemical carboxylation of benzylic carbonates: Alternative method for efficient synthesis of arylacetic acids

Ohkoshi, Masashi,Michinishi, Jun-Ya,Hara, Shoji,Senboku, Hisanori

experimental part, p. 7732 - 7737 (2010/10/21)

Electrochemical carboxylation of benzylic carbonates was successfully performed as an alternative method for the synthesis of phenylacetic acids by using a one-compartment cell equipped with a Pt plate cathode and an Mg rod anode in CH3CN to afford the corresponding phenylacetic acids in good yields.

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