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147377-67-1

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147377-67-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 147377-67-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,3,7 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 147377-67:
(8*1)+(7*4)+(6*7)+(5*3)+(4*7)+(3*7)+(2*6)+(1*7)=161
161 % 10 = 1
So 147377-67-1 is a valid CAS Registry Number.

147377-67-1Relevant 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 (2021/05/29)

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.

A General Synthetic Route to Fused Furans. Total Synthesis of (+)-Pallescensin A

Shishido, Kozo,Umimoto, Koji,Ouchi, Mikiko,Irie, Osamu,Omodani, Tomoki,et al.

, p. 328 - 375 (2007/10/02)

A general and facile synthetic route to fused furans has been developed.The key step of the transformation involves the intramolecular dipolar cycloaddition reaction of the nitrile oxides, 2 and 2', which were generated in situ from the correspondin

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