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146606-27-1

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146606-27-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 146606-27-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,6,0 and 6 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 146606-27:
(8*1)+(7*4)+(6*6)+(5*6)+(4*0)+(3*6)+(2*2)+(1*7)=131
131 % 10 = 1
So 146606-27-1 is a valid CAS Registry Number.

146606-27-1Relevant articles and documents

Intramolecular Diels-Alder Reaction of Vinylsulfonates Derived from Hydroxyalkyl Substituted 1,3-Dienes and Oxidative Desulfurization of the Resultant Sultones

Metz, Peter,Fleischer, Michael,Froelich, Roland

, p. 711 - 732 (2007/10/02)

Vinylsulfonates prepared from hydroxyalkyl substituted cycloalka-1,3-dienes and acyclic 1,3-dienes by esterification with vinylsulfonyl chloride cycloadd to δ-sultones at temperatures ranging from 0 deg C to reflux in toluene.High diastereoselectivity is observed for substrates 2 featuring a cyclic 1,3-diene moiety, whereas a substituent R2 larger than hydrogen is necessary to achieve good to excellent levels of stereocontrol for substrates 9 possessing an acyclic 1,3-diene unit.Oxidative desulfurization of the resultant sultones via borylation and subsequent peracid treatment yields hydroxy ketones, thus establishing vinylsulfonyl chloride as a regio- and stereoselectively reacting ketene equivalent for the intramolecular Diels-Alder cycloaddition.

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