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74585-36-7

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74585-36-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74585-36-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,8 and 5 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74585-36:
(7*7)+(6*4)+(5*5)+(4*8)+(3*5)+(2*3)+(1*6)=157
157 % 10 = 7
So 74585-36-7 is a valid CAS Registry Number.

74585-36-7Relevant articles and documents

Photoinduced Cyclizations of Mono- and Dianions of N-Acyl-o-chloroanilines and N-Acyl-o-chlorobenzylamines as General Methods for the Synthesis of Oxindoles and 1,4-Dihydro-3(2H)-isoquinolinones

Goehring, R. Richard,Sachdeva, Yesh P.,Pisipati, Jyothi S.,Sleevi, Mark C.,Wolfe, James F.

, p. 435 - 443 (2007/10/02)

Formation of the monoanions of a series of N-acyl-N-alkyl-o-chloroanilines by means of LDA in THF followed by irradiation with near-UV light affords 1,3-dialkyloxindoles in good yields.Similar photoinduced cyclizations of dianions derived from N-acyl-o-chloroanilines leads to 3-alkyloxindoles.Photocyclizations of mono- and dianion prepared from α,β-unsaturated o-haloanilides proceed to form 3-alkylideneoxindoles.Carbanions derived from N-acyl-o-chlorobenzylamines also undergo photoassisted ring closure to afford 1,4-dihydro-3(2H)-isoquinolinones.The influence of near-UV light and the effect of inhibitors implicate a radical-chain mechanism as the major reaction pathway in this convenient new method for oxindole and isoquinolinone synthesis.

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