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651053-90-6

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651053-90-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 651053-90-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,1,0,5 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 651053-90:
(8*6)+(7*5)+(6*1)+(5*0)+(4*5)+(3*3)+(2*9)+(1*0)=136
136 % 10 = 6
So 651053-90-6 is a valid CAS Registry Number.

651053-90-6Downstream Products

651053-90-6Relevant articles and documents

Cobalt-Catalyzed Cross-Coupling of 3- and 4-Iodopiperidines with Grignard Reagents

Gonnard, Laurine,Gurinot, Amandine,Cossy, Janine

, p. 12797 - 12803 (2015/09/01)

A cobalt-catalyzed cross-coupling between 3- and 4-iodopiperidines and Grignard reagents is disclosed. The reaction is an efficient, cheap, chemoselective, and flexible way to functionalize piperidines. This coupling was used as the key step to realize a short synthesis of (±)-preclamol. Some mechanistic investigations were conducted that highlight the formation of radical intermediates. Scaffold synthesis: A cobalt-catalyzed cross-coupling between iodopiperidines and Grignard reagents is reported (see scheme; PG=protecting group). A large variety of 3- and 4-substituted piperidines were synthesized and the method was applied to a short synthesis of (±)-preclamol. This work constitutes one of the rare examples of cross-couplings involving 3-halogeno piperidines.

Serine derived NK1 antagonists 2: A pharmacophore model for arylsulfonamide binding

Elliott,Broughton,Cascieri,Chicchi,Huscroft,Kurtz,MacLeod,Sadowski,Stevenson

, p. 1851 - 1856 (2007/10/03)

Modifications to the spirocyclic aryl sulfonamide portion of serine derived NK1 antagonists allow a partial pharmacophore model to be developed.

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