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1533422-47-7

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1533422-47-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1533422-47-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,3,3,4,2 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1533422-47:
(9*1)+(8*5)+(7*3)+(6*3)+(5*4)+(4*2)+(3*2)+(2*4)+(1*7)=137
137 % 10 = 7
So 1533422-47-7 is a valid CAS Registry Number.

1533422-47-7Downstream Products

1533422-47-7Relevant articles and documents

Ligand-enabled cross-coupling of C(sp 3)-H bonds with arylboron reagents via Pd(II)/Pd(0) catalysis

Chan, Kelvin S. L.,Wasa, Masayuki,Chu, Ling,Laforteza, Brian N.,Miura, Masanori,Yu, Jin-Quan

, p. 146 - 150 (2014/02/14)

There have been numerous developments in C-H activation reactions in the past decade. Attracted by the ability to functionalize molecules directly at ostensibly unreactive C-H bonds, chemists have discovered reaction conditions that enable reactions of C(sp 2)-H and C(sp 3)-H bonds with a variety of coupling partners. Despite these advances, the development of suitable ligands that enable catalytic C(sp 3)-H bond functionalization remains a significant challenge. Herein we report the discovery of a mono-N-protected amino acid ligand that enables Pd(II)-catalysed coupling of γ-C(sp 3)-H bonds in triflyl-protected amines with arylboron reagents. Remarkably, no background reaction was observed in the absence of ligand. A variety of amine substrates and arylboron reagents were cross-coupled using this method. Arylation of optically active substrates derived from amino acids also provides a potential route for preparing non-proteinogenic amino acids.

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