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142301-65-3

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142301-65-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142301-65-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,3,0 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 142301-65:
(8*1)+(7*4)+(6*2)+(5*3)+(4*0)+(3*1)+(2*6)+(1*5)=83
83 % 10 = 3
So 142301-65-3 is a valid CAS Registry Number.

142301-65-3Relevant articles and documents

Discovery of novel 2-(4-aryl-2-methylpiperazin-1-yl)-pyrimidin-4-ones as glycogen synthase kinase-3β inhibitors

Kohara, Toshiyuki,Nakayama, Kazuki,Watanabe, Kazutoshi,Kusaka, Shin-ichi,Sakai, Daiki,Tanaka, Hiroshi,Fukunaga, Kenji,Sunada, Shinji,Nabeno, Mika,Saito, Ken-Ichi,Eguchi, Jun-ichi,Mori, Akiko,Tanaka, Shinji,Bessho, Tomoko,Takiguchi-Hayashi, Keiko,Horikawa, Takashi

, p. 3733 - 3738 (2017/07/27)

We herein describe the results of further evolution of glycogen synthase kinase (GSK)-3β inhibitors from our promising compounds containing a 3-methylmorpholine moiety. Transformation of the morpholine moiety into a piperazine moiety resulted in potent GS

Heterocycles in Asymmetric Synthesis. Part 1. Construction of the Chiral Building Blocks for Enantioselective Alkaloid Synthesis via an Asymmetric Intramolecular Michael Reaction

Hirai, Yoshiro,Terada, Takashi,Yamazaki, Takao,Momose, Takefumi

, p. 509 - 516 (2007/10/02)

The asymmetric intramolecular Michael reaction of acyclic compounds ethyl (E)-4-but-2-enoate 9, and ethyl (E)-5-pent-2-enoate 10 was investigated under a variety of conditions, and the pyrrolidine ethyl (4-acetyl-1-benzylpyrrolidin-3-yl)acetate 11 and piperidine ethyl (3-acetyl-1-benzylpiperidin-4-yl)acetate 12, versatile chiral building blocks for alkaloid synthesis, were obtained in moderate to excellent optical yield.Cyclization of the aforementioned but- and pent-2-enoate using (R)-1-phenylethylamine in THF in the presence of molecular sieves 5 Angstroem gave the (+)-pyrrolidine derivative (+)-11 and the (-)-piperidine derivative (-)-12 in 60 and 90percent ee, respectively.When (S)-1-phenylethylamine was used, pyrrolidine (-)-11 and piperidine derivatives (+)-12 were obtained in similar optical yields, respectively.The ee of (-)- and (+)-piperidine derivatives increased up to 98percent upon recrystallization of their hydrobromid salts.

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