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108056-65-1

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108056-65-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108056-65-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,0,5 and 6 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 108056-65:
(8*1)+(7*0)+(6*8)+(5*0)+(4*5)+(3*6)+(2*6)+(1*5)=111
111 % 10 = 1
So 108056-65-1 is a valid CAS Registry Number.

108056-65-1Relevant articles and documents

Asymmetric synthesis of δ-keto esters via Michael additions of chiral carbene complexes

Shi, Yan,Wulff, William D.,Yap, Glenn P. A.,Rheingold, Arnold L.

, p. 2601 - 2602 (1996)

The asymmetric Michael addition of the enolates of chiral imidazolidinone carbene complexes to α,β-unsaturated ketones occur with high induction.

DBU-Catalyzed Ring-Opening and Retro-Claisen Fragmentation of Dihydropyranones

Axelsson, Anton,Hammarvid, Emmelie,Rahm, Martin,Sundén, Henrik

, p. 5436 - 5444 (2020)

We present a general protocol for the formal Michael addition of acetone to α,β-unsaturated esters and amides, a transformation difficult to perform using current methods. The protocol comprises of an amidine catalyzed relay ring-opening and fragmentation

A general organocatalytic enantioselective malonate addition to α,β-unsaturated enones

Wascholowski, Veit,Knudsen, Kristian Rahbek,Mitchell, Claire E. T.,Ley, Steven V.

experimental part, p. 6155 - 6165 (2009/05/27)

A general enantioselective organocatalytic conjugate addition procedure of a variety of malonates to α,β-unsaturated enone systems is presented. The reaction is efficiently catalysed by the pyrrolidinyl tetrazole catalyst 1. Cyclic, acyclic and aromatic e

Asymmetric Mukaiyama-Michael Addition of Acyclic Enones Catalyzed by allo-Threonine-Derived B-Aryloxazaborolidinones

Harada, Toshiro,Iwai, Hiroyoshi,Takatsuki, Hiroshi,Fujita, Katsuhiro,Kubo, Mikako,Oku, Akira

, p. 2101 - 2103 (2007/10/03)

(Formula Presented) O-(2-Naphthoyl)-N-tosyl-L-allo-threonine-derived B-phenyloxazaborolidinone catalyzes the asymmetric Mukaiyama-Michael addition of simple acyclic enones to give adducts of 54-85% ee. 2,6-Diisopropylphenol as an additive is demonstrated

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