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945847-77-8

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945847-77-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 945847-77-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,5,8,4 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 945847-77:
(8*9)+(7*4)+(6*5)+(5*8)+(4*4)+(3*7)+(2*7)+(1*7)=228
228 % 10 = 8
So 945847-77-8 is a valid CAS Registry Number.

945847-77-8Downstream Products

945847-77-8Relevant articles and documents

Squaramide-catalyzed asymmetric intramolecular oxa-michael reaction of α,β-unsaturated carbonyls containing benzyl alcohol: Construction of chiral 1-substituted phthalans

Son, Eun Chae,Kim, Seung Yeon,Kim, Sung-Gon

, p. 6826 - 6839 (2021)

Organocatalytic enantioselective intramolecular oxa-Michael reactions of benzyl alcohol bearing α,β-unsaturated carbonyls as Michael acceptors are presented herein. Using cinchona squaramide-based organocatalyst, enones as well as α,βunsaturated esters containing benzyl alcohol provided their corresponding 1,3-dihydroisobenzofuranyl-1-methylene ketones and 1,3-dihydroisobenzofuranyl-1-methylene esters in excellent yields with high enantioselectivities. In addition, enantioenriched 1,3-dihydroisobenzofuranyl-1-methylene ketone could be obtained from the Wittig/oxa-Michael reaction cascade of 1,3-dihydro-2-benzofuran-1-ol.

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