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812639-20-6

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812639-20-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 812639-20-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,2,6,3 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 812639-20:
(8*8)+(7*1)+(6*2)+(5*6)+(4*3)+(3*9)+(2*2)+(1*0)=156
156 % 10 = 6
So 812639-20-6 is a valid CAS Registry Number.

812639-20-6Downstream Products

812639-20-6Relevant articles and documents

Formal total syntheses of classic natural product target molecules via palladium-catalyzed enantioselective alkylation

Liu, Yiyang,Liniger, Marc,McFadden, Ryan M.,Roizen, Jenny L.,Malette, Jacquie,Reeves, Corey M.,Behenna, Douglas C.,Seto, Masaki,Kim, Jimin,Mohr, Justin T.,Virgil, Scott C.,Stoltz, Brian M.

supporting information, p. 2501 - 2512 (2015/02/19)

Pd-catalyzed enantioselective alkylation in conjunction with further synthetic elaboration enables the formal total syntheses of a number of "classic" natural product target molecules. This publication highlights recent methods for setting quaternary and tetrasubstituted tertiary carbon stereocenters to address the synthetic hurdles encountered over many decades across multiple compound classes spanning carbohydrate derivatives, terpenes, and alkaloids. These enantioselective methods will impact both academic and industrial settings, where the synthesis of stereogenic quaternary carbons is a continuing challenge.

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