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1331858-36-6

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1331858-36-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1331858-36-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,1,8,5 and 8 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1331858-36:
(9*1)+(8*3)+(7*3)+(6*1)+(5*8)+(4*5)+(3*8)+(2*3)+(1*6)=156
156 % 10 = 6
So 1331858-36-6 is a valid CAS Registry Number.

1331858-36-6Downstream Products

1331858-36-6Relevant articles and documents

Deacylative allylation: Allylic alkylation via retro-Claisen activation

Grenning, Alexander J.,Tunge, Jon A.

supporting information; experimental part, p. 14785 - 14794 (2011/11/04)

A new method for allylic alkylation of a variety of relatively nonstabilized carbon nucleophiles is described herein. In this process of "deacylative allylation", the coupling partners, an allylic alcohol and a ketone pronucleophile, undergo in situ retro-Claisen activation to generate an allylic acetate and a carbanion. In the presence of palladium, these reactive intermediates undergo catalytic coupling to form a new C-C bond. In comparison to unimolecular decarboxylative allylation, a commonly utilized method for allylation of carbon anions, deacylative allylation is an intermolecular process. Moreover, deacylative allylation allows the direct coupling of readily available allylic alcohols. Lastly, the full utility of deacylative allylation is demonstrated by the rapid construction of a variety 1,6-heptadienes via 3-component couplings.

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