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925238-07-9

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925238-07-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 925238-07-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,5,2,3 and 8 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 925238-07:
(8*9)+(7*2)+(6*5)+(5*2)+(4*3)+(3*8)+(2*0)+(1*7)=169
169 % 10 = 9
So 925238-07-9 is a valid CAS Registry Number.

925238-07-9Downstream Products

925238-07-9Relevant academic research and scientific papers

Highly enantioselective synthesis of isoquinuclidine by diels-alder reaction of 1,2-dihydropyridine utilizing chiral bisoxazoline-Cu(II) complex

Hutabarat, N.D.M. Romauli,Seki, Chigusa,Shimizu, Takashi,Hirama, Masafumi,Kohari, Yoshihito,Nakano, Hiroto,Uwai, Koji,Takano, Nobuhiro,Kwon, Eunsang,Matsuyama, Haruo

, p. 203 - 217 (2013/08/23)

The enantioselective Diels-Alder (D-A) reaction between N-phenoxycarbonyl- or N-benzyloxycarbonyl-1,2-dihydropyridine (1a or 1b) and N(2)-acryloyl-N(1)-(1- naphthylmethyl)-5,5-dimethylpyrazolidin-3-one (2b) using (S,S)-bisoxazoline- Cu(II) catalyst (A, B, C or D) has been investigated. Utilizing (S,S)-t-Bu-bisoxazoline-Cu(II) catalyst C, the D-A reaction of 1a and 2 afforded the endo-(7S)-isoquinuclidines (3, 4 or 5) in good chemical yields with high enantioselectivity (up to 99% e.e.).

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