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4837-32-5

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4837-32-5 Usage

Synthesis Reference(s)

Tetrahedron Letters, 6, p. 4291, 1965 DOI: 10.1016/S0040-4039(00)71088-4

Check Digit Verification of cas no

The CAS Registry Mumber 4837-32-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,3 and 7 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4837-32:
(6*4)+(5*8)+(4*3)+(3*7)+(2*3)+(1*2)=105
105 % 10 = 5
So 4837-32-5 is a valid CAS Registry Number.
InChI:InChI=1/C13H12N2O2S/c1-10-6-8-11(9-7-10)14-18-13-5-3-2-4-12(13)15(16)17/h2-9,14H,1H3

4837-32-5Relevant articles and documents

Organocatalytic Allylic Amination of Morita-Baylis-Hillman Carbonates

Formánek, Bed?ich,?imek, Michal,Kamlar, Martin,Císa?ová, Ivana,Vesely, Jan

, p. 907 - 920 (2019/02/10)

An organocatalytic asymmetric allylic amination of Morita-Baylis-Hillman carbonates with aromatic amines in the presence of β-isocupreidine is described. Chiral allylic amines were obtained in almost quantitative yields (90-96%) with moderate enantioselectivity. Recrystallization afforded products in good yields (45-73%) and high optical purity (82-99% ee). This method provides a facile and efficient route to obtain optically active β-lactams, including the building block of the cholesterol-lowering drug Ezetimibe.

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