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(E)-1-ethyl-4,4-dimethyl 5-(tert-butoxycarbonylamino)-5-phenylpent-1-ene-1,4,4-tricarboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1262149-48-3

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1262149-48-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1262149-48-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,2,1,4 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1262149-48:
(9*1)+(8*2)+(7*6)+(6*2)+(5*1)+(4*4)+(3*9)+(2*4)+(1*8)=143
143 % 10 = 3
So 1262149-48-3 is a valid CAS Registry Number.

1262149-48-3Downstream Products

1262149-48-3Relevant academic research and scientific papers

Asymmetric synthesis of polyfunctionalized pyrrolidines via a thiourea catalyzed domino Mannich/aza-Michael reaction

Enders, Dieter,Goeddertz, Dominik P.,Beceno, Christian,Raabe, Gerhard

, p. 2863 - 2868 (2010)

The domino Mannich/aza-Michael reaction of γ-malonate-substituted α,β-unsaturated esters with N-protected arylaldimines has been achieved. Catalyzed by bifunctional thioureas, 2,5-cis-configured polysubstituted pyrrolidines are obtained in good to excellent yields (76-99%), enantioselectivities (75-94%) and excellent diastereoselectivities (de >95%). The pure stereoisomers are available by crystallization and removal of the racemates. Copyright

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