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1446482-09-2

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1446482-09-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1446482-09-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,6,4,8 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1446482-09:
(9*1)+(8*4)+(7*4)+(6*6)+(5*4)+(4*8)+(3*2)+(2*0)+(1*9)=172
172 % 10 = 2
So 1446482-09-2 is a valid CAS Registry Number.

1446482-09-2Relevant articles and documents

Asymmetric synthesis and catalytic activity of 3-methyl-β-proline in enantioselective anti -mannich-type reactions

Nagata, Kazuhiro,Kuga, Yasushi,Higashi, Akinori,Kinoshita, Atsushi,Kanemitsu, Takuya,Miyazaki, Michiko,Itoh, Takashi

, p. 7131 - 7136 (2013)

Enantiomerically pure 3-methyl-β-proline was synthesized using an asymmetric phase-transfer-catalyzed alkylation of a cyanopropanoate to establish the all-carbon stereogenic center. The catalytic activity of 3-methyl-β-proline in the Mannich-type reaction between a glyoxylate imine and ketones/aldehydes was subsequently investigated. The catalyst was designed and found to be more soluble in nonpolar organic solvents relative to the unsubstituted β-proline catalyst, and as a result allowed for added flexibility during optimization efforts. This work culminated in the development of a highly anti-diastereo- and enantioselective process employing low catalyst loading.

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