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1126906-51-1

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1126906-51-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1126906-51-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,2,6,9,0 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1126906-51:
(9*1)+(8*1)+(7*2)+(6*6)+(5*9)+(4*0)+(3*6)+(2*5)+(1*1)=141
141 % 10 = 1
So 1126906-51-1 is a valid CAS Registry Number.

1126906-51-1Relevant articles and documents

Enantioselective β-Alkylation of Aldehydes through an Organocatalyzed C-C Bond-Scission Reaction

Huang, Huicai,Abbaraju, Santhi,Zhao, John C.-G.

, p. 1379 - 1382 (2016/06/01)

A novel organocatalyzed C-C bond-scission reaction of saturated aldehydes containing a suitable leaving group at the β-position was used for the in situ formation of iminium intermediates, which were then captured by nucleophiles to achieve a direct enantioselective β-alkylation of aldehydes. Within short reaction times, the corresponding β-alkylated aldehyde products were obtained in high yields (48-87%) and with excellent enantioselectivities (84-98%).

Base-base bifunctional catalysis: A practical strategy for asymmetric Michael addition of malonates to α,β-unsaturated aldehydes

Wang, Yongcan,Li, Pengfei,Liang, Xinmiao,Yea, Jinxing

supporting information; experimental part, p. 1383 - 1389 (2009/06/18)

Lewis base-Bronsted base bifunctional catalysis is a novel and practical strategy for the asymmetric Michael addition. The addition of malonates to a series of α,β-unsaturated aldehydes can take place under base-base bifunctional catalytic conditions using 0.5-5 mol% of (S)-2-[diphenyl(trimethylsilyloxy) methyl]pyrrolidine as catalyst and 5-30 mol% of lithium 4-fluorobenzoate as additive base with up to 99% ee.

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