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1477517-17-1

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1477517-17-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1477517-17-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,7,7,5,1 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1477517-17:
(9*1)+(8*4)+(7*7)+(6*7)+(5*5)+(4*1)+(3*7)+(2*1)+(1*7)=191
191 % 10 = 1
So 1477517-17-1 is a valid CAS Registry Number.

1477517-17-1Downstream Products

1477517-17-1Relevant articles and documents

Efficient syntheses of korupensamines A, B and michellamine B by asymmetric Suzuki-Miyaura coupling reactions

Xu, Guangqing,Fu, Wenzhen,Liu, Guodu,Senanayake, Chris H.,Tang, Wenjun

, p. 570 - 573 (2014/02/14)

Efficient asymmetric Suzuki-Miyaura coupling reactions are employed for the first time in total syntheses of chiral biaryl natural products korupensamine A and B in combination with an effective diastereoselective hydrogenation, allowing ultimately a concise and stereoselective synthesis of michellamine B. Chiral monophosphorus ligands L1-3 are effective for the syntheses of a series of functionalized chiral biaryls by asymmetric Suzuki-Miyaura coupling reactions in excellent yields and enantioselectivities (up to 99% ee). The presence of a polar-π interaction between the highly polarized BOP group and the extended π system of arylboronic acid coupling partner is believed to be important for the high enantioselectivity.

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