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127687-61-0

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127687-61-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127687-61-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,6,8 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 127687-61:
(8*1)+(7*2)+(6*7)+(5*6)+(4*8)+(3*7)+(2*6)+(1*1)=160
160 % 10 = 0
So 127687-61-0 is a valid CAS Registry Number.

127687-61-0Downstream Products

127687-61-0Relevant articles and documents

Synthesis of new spiro-N-heterocycles with cyclooctane fragment from N- (1-alkenylcyclooctyl)-N-aryl(benzyl) amines

Vargas, Leonor M.,Rozo, Wilson,Kouznetsov, Vladimir

, p. 785 - 796 (2007/10/03)

The homoallylic amines (6-10) derived from N-cyclooctylidenearyl (benzyl)amines and allyl- or prenylmagnesium bromides as organometallic reagents have been used for synthesis of spiro-N-heterocycles. The tetrahydrospiro[3H-2-benzazepine-3,1'-cyclooctanes] (11 and 12) have been obtained from the homoallylamines (6 and 7) under acidic conditions. The tetrahydro-1-benzazepine (15) spiroannulated with a cyclooctane moiety has been prepared by treating the homoallylic amine (9) with conc. sulfuric acid. Treatment of the homoallylmine (6) with 92% sulfuric acid in chloroform at reflux afforded tetrahydrospiro[1,2,3-oxathiazine-2,2-dioxide-4,1'- cyclooctane] (17). The latter has been converted into 1-benzyl-4- methylspiro[azetidine-2,1'-cyclooctane] (18). The homoallylamine (6) has been cyclized into the 1-benzylspiro[pyrrolidine-2,1'-cyclooctane] (19).

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