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869194-33-2

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869194-33-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 869194-33-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,9,1,9 and 4 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 869194-33:
(8*8)+(7*6)+(6*9)+(5*1)+(4*9)+(3*4)+(2*3)+(1*3)=222
222 % 10 = 2
So 869194-33-2 is a valid CAS Registry Number.

869194-33-2Downstream Products

869194-33-2Relevant articles and documents

Stereoselective formation of carbon-carbon bonds via SN2- displacement: Synthesis of substituted cycloalkyl[b]indoles

Hillier, Michael C.,Marcoux, Jean-Francois,Zhao, Dalian,Grabowski, Edward J. J.,McKeown, Arlene E.,Tillyer, Richard D.

, p. 8385 - 8394 (2007/10/03)

A general asymmetric synthesis of substituted cycloalkyl[b]indoles has been accomplished. The key features of this approach are (1) the utilization of a Japp-Klingemann condensation/Fischer cyclization to prepare cycloalkyl[b] indolones, (2) the asymmetric borane reduction of these heterocyclic ketones with (S)-OAB to obtain enantiomerically pure alcohols, and (3) the stereoselective SN2-displacement of these indole alcohol substrates with a carbon nucleophile under Mitsunobu conditions to set the C1 or C3 tertiary carbon stereocenter. The use of trimethylphosphine (PMe3) and bis(2,2,2-trichloroethyl) azodicarboxylate (TCEAD) was found to have an effect on the Mitsunobu dehydrative alkylation.

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