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1-benzyl-3-(2,2,5,5-tetramethyl-1-aza-2,5-disilacyclopentyl)-4-methyl-2-azetidinone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

118975-80-7

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118975-80-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118975-80-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,9,7 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 118975-80:
(8*1)+(7*1)+(6*8)+(5*9)+(4*7)+(3*5)+(2*8)+(1*0)=167
167 % 10 = 7
So 118975-80-7 is a valid CAS Registry Number.

118975-80-7Relevant academic research and scientific papers

Beta-lactams synthesis using a metal compound as catalyst

-

, (2008/06/13)

Trans-β-lactams are prepared by the reaction of a glycine alkyl ester and an imine, in the presence of an alkali metal base and a metal compound catalyst.

STEREOSELECTIVE ONE-POT SYNTHESES OF TRANS-3-AMINO-β-LACTAMS FROM ZINC ENOLATES OF N-PROTECTED α-AMINOACID ESTERS AND IMINES

Steen, Fred H. van der,Jastrzebski, Johann T.B.H.,Koten, Gerard van

, p. 2467 - 2470 (2007/10/02)

A new one-pot synthesis of 3-amino-β-lactams that is based on the condensation of simple imines with zinc enolates of disilyl protected glycine esters is reported.Isolated yields are high and a trans-selectivity is observed.

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