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1397264-86-6

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1397264-86-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1397264-86-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,7,2,6 and 4 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1397264-86:
(9*1)+(8*3)+(7*9)+(6*7)+(5*2)+(4*6)+(3*4)+(2*8)+(1*6)=206
206 % 10 = 6
So 1397264-86-6 is a valid CAS Registry Number.

1397264-86-6Relevant articles and documents

A new tandem cross metathesis-intramolecular aza-Michael reaction for the synthesis of α,α-difluorinated lactams

Fustero, Santos,Baez, Claribel,Sanchez-Rosello, Maria,Asensio, Amparo,Miro, Javier,Del Pozo, Carlos

experimental part, p. 1863 - 1873 (2012/08/08)

A new tandem cross metathesis-intramolecular aza-Michael reaction in which an α,α-difluorinated amide serves as a source of nucleophilic nitrogen is described. This process gives rise to a new family of fluorinated γ- and δ-lactams. The tandem protocol is catalyzed by the Hoveyda-Grubbs second-generation ruthenium catalyst with titanium(IV) tetraisopropoxide as a co-catalyst and it is highly efficient when conjugated ketones are used as the Michael acceptors. With conjugated esters, however, it is necessary to perform a step-by-step procedure in which the cyclization event is activated by the addition of a base. An asymmetric version of the process is also evaluated. Georg Thieme Verlag Stuttgart · New York.

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