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98014-60-9

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98014-60-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98014-60-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,0,1 and 4 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98014-60:
(7*9)+(6*8)+(5*0)+(4*1)+(3*4)+(2*6)+(1*0)=139
139 % 10 = 9
So 98014-60-9 is a valid CAS Registry Number.

98014-60-9Relevant articles and documents

Stereoselective Synthesis of Piperidines by Iridium-Catalyzed Cyclocondensation

Sandmeier, Tobias,Krautwald, Simon,Carreira, Erick M.

, p. 11515 - 11519 (2017/09/11)

An iridium-catalyzed cyclocondensation of amino alcohols and aldehydes is reported. Intramolecular allylic substitution by an enamine intermediate and subsequent in situ reduction furnishes 3,4-disubstituted piperidines with high enantiospecificity and good diastereoselectivity. The modular approach and the broad functional group tolerance provide access to diverse piperidine derivatives, which were further functionalized to give a versatile set of products.

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