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114628-12-5

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114628-12-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 114628-12-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,4,6,2 and 8 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 114628-12:
(8*1)+(7*1)+(6*4)+(5*6)+(4*2)+(3*8)+(2*1)+(1*2)=105
105 % 10 = 5
So 114628-12-5 is a valid CAS Registry Number.

114628-12-5Relevant articles and documents

Electrophilic Olefin Heterocyclization in Organic Synthesis. Stereoselective Synthesis of 4,5-Disubstituted γ-Lactams by Iodine-Induced Lactam Formation of γ,δ-Unsaturated Thioimidates

Takahata, Hiroki,Takamatsu, Tamotsu,Yamazaki, Takao

, p. 4812 - 4822 (2007/10/02)

Iodine-induced lactamization of γ,δ-unsaturated thioimidates proceeds regioselectively to provide γ-lactams.The iodolactamization with allylic substituents brings about 1,2-asymmetric induction, which depends on the allyl groups.Transformation of the cis-4-hydroxy-5-(iodomethyl)pyrrolidin-2-one (24a) among these highly functionalized γ-lactams into several biologically active compounds is described.In addition, the conversion of an optically active form of 24a is discussed.

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