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1402043-08-6

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1402043-08-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1402043-08-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,2,0,4 and 3 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1402043-08:
(9*1)+(8*4)+(7*0)+(6*2)+(5*0)+(4*4)+(3*3)+(2*0)+(1*8)=86
86 % 10 = 6
So 1402043-08-6 is a valid CAS Registry Number.

1402043-08-6Relevant articles and documents

A [4+3] Cycloaddition Reaction of Aza-ortho-quinone Methides with C,N-Cyclic Azomethine Imines for Synthesis of 1,2,4-Triazepines

Wang, Xinyue,Li, Zefei,Feng, Chang,Zhen, Qi,Guo, Mingzhang,Yao, Yaning,Zou, Xinyu,Wang, Pengfei,Hou, Yunlei,Gong, Ping

supporting information, p. 2090 - 2096 (2021/09/06)

The base-induced formal [4+3] cycloaddition reaction of C,N-cyclic azomethine imines with aza-ortho-quinone methides, generated in situ, is reported. This protocol provided an efficient method for the synthesis of biologically important 1,2,4-triazepine derivatives, with a wide substrate scope and excellent functional-group tolerance, and it gives moderate to excellent yields under mild conditions. Several of the derivatives exhibited in vitro antitumor activities against the A2780 cell line in a screening of the cancer cell lines HCT-116, H2228, and A2780 by an MTT assay.

Pd(II)-catalyzed enantioselective intramolecular oxidative amination utilizing (+)-camphorsulfonic acid

Aebly, Andrew H.,Rainey, Trevor J.

supporting information, p. 3795 - 3799 (2017/09/15)

An enantioselective Pd(II)-catalyzed intramolecular oxidative amination reaction was developed utilizing the commercially available chiral X-type ligand (1S)-(+)-camphorsulfonic acid. The Wacker-type cyclization produced chiral indoline products with enantioselectivies up to 45% ee. Electronic structure calculations employing density functional theory support a trans-aminopalladation mechanism.

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