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135509-09-0

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135509-09-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135509-09-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,5,0 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 135509-09:
(8*1)+(7*3)+(6*5)+(5*5)+(4*0)+(3*9)+(2*0)+(1*9)=120
120 % 10 = 0
So 135509-09-0 is a valid CAS Registry Number.

135509-09-0Relevant articles and documents

Synthesis of 7,12-dihydro-12-phenyl-5H-6,12-methanodibenz[cf]azocines via N,N-dibenzylphenacylamines

Coskun, Necdet,Bueyuekuysal, Levent

, p. 53 - 59 (1998)

N,N-DibenzyIphenacylamines (1) were prepared in high yields by a onepot reaction and cyclized at room temperature to give 7,12-dihydro-12-phenyl-5H-6,12-methanodibenz[cf]azocines in high yields. 95% H2SO4 or 70% HClO4 was used as cyclization catalysts. The double-cyclization proceeds smoothly in the cases where electron-donating groups are present in both benzene ring. N-2,3-dimethoxybenzyl-N-benzylphenacylamine (If) gave the corresponding N-benzyl-1,2-dihydro-4-phenylisoquinoline on treatment with 95% H2SO4 while N-3,4-Dimethoxybenzyl-N-benzylphenacylamine (1a) at the same reaction conditions and reaction time cyclized to the corresponding dibenzazocine. However la gave the corresponding dihydroisoquinoline which disproportionates to give N-benzyl-1,2,3,4-tetrahydro-4-phenylisoquinoline and N-benzyl-4-phenylisoquinolinium when treated with 70% perchloric acid at room temperature.

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