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127727-07-5

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127727-07-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127727-07-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,7,2 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 127727-07:
(8*1)+(7*2)+(6*7)+(5*7)+(4*2)+(3*7)+(2*0)+(1*7)=135
135 % 10 = 5
So 127727-07-5 is a valid CAS Registry Number.

127727-07-5Relevant articles and documents

Catalytic, Enantioselective α-Alkylation of Azlactones with Nonconjugated Alkenes by Directed Nucleopalladation

Nimmagadda, Sri Krishna,Liu, Mingyu,Karunananda, Malkanthi K.,Gao, De-Wei,Apolinar, Omar,Chen, Jason S.,Liu, Peng,Engle, Keary M.

, p. 3923 - 3927 (2019)

A palladium(II)-catalyzed enantioselective α-alkylation of azlactones with nonconjugated alkenes is described. The reaction employs a chiral BINOL-derived phosphoric acid as the source of stereoinduction, and a cleavable bidentate directing group appended to the alkene to control the regioselectivity and stabilize the nucleopalladated alkylpalladium(II) intermediate in the catalytic cycle. A wide range of azlactones were found to be compatible under the optimal reaction conditions to afford products bearing α,α-disubstituted α-amino-acid derivatives with high yields and high enantioselectivity.

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