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2172908-07-3

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2172908-07-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2172908-07-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 2,1,7,2,9,0 and 8 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2172908-07:
(9*2)+(8*1)+(7*7)+(6*2)+(5*9)+(4*0)+(3*8)+(2*0)+(1*7)=163
163 % 10 = 3
So 2172908-07-3 is a valid CAS Registry Number.

2172908-07-3Downstream Products

2172908-07-3Relevant articles and documents

Gamma-alkenyl substituted butylene lactone or butylene lactam compound and asymmetric synthesis method thereof and ligand

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Paragraph 0167-0170, (2019/12/15)

The invention discloses an asymmetric synthesis method of a gamma-alkenyl substituted butylene lactone or butylene lactam compound. The method uses cheap nickel to catalyze a [3+2] asymmetric cycloaddition reaction of a cyclopropenone compound and an alph

Enantioselective Palladium-Catalyzed Oxidative Cascade Cyclization of Aliphatic Alkenyl Amides

Du, Wei,Gu, Qiangshuai,Li, Yang,Lin, Zhenyang,Yang, Dan

supporting information, p. 316 - 319 (2017/04/21)

The catalyst system of Pd(TFA)2/(S,S)-diPh-pyrox is reported to promote the highly efficient enantioselective oxidative cascade cyclization of alkene-tethered aliphatic acrylamides under mild aerobic conditions. A series of pyrrolizidine derivatives have been synthesized in good yield and excellent enantioselectivity. Deuterium-labeling experiments have revealed that the reaction proceeded through an anti-aminopalladation (anti-AP) pathway with high selectivity. The transition states for the anti-AP step have been calculated to account for the observed enantioselectivity.

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