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159766-59-3

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159766-59-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159766-59-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,7,6 and 6 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 159766-59:
(8*1)+(7*5)+(6*9)+(5*7)+(4*6)+(3*6)+(2*5)+(1*9)=193
193 % 10 = 3
So 159766-59-3 is a valid CAS Registry Number.

159766-59-3Relevant articles and documents

Preparation of substituted indolines via anionic cyclization

Bailey, William F.,Jiang, Xing-Long

, p. 2596 - 2597 (1996)

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Highly selective N-allylation of anilines under microwave irradiation

Liu, Meiyu,Wang, Xie,Sun, Xiaoliang,He, Wei

, p. 2711 - 2714 (2014/05/06)

An easy and rapid procedure for the preparation of a variety of mono- and bis-allylated anilines via the reaction of allyl bromide with a wide range of anilines under microwave irradiation is described. This approach allows use of mild conditions and short reaction times to give high selectivities and excellent yields.

Synthesis of polysubstituted indoles and indolines by means of zirconocene-stabilized benzyne complexes

Tidwell, Jeffrey H.,Buchwald, Stephen L.

, p. 11797 - 11810 (2007/10/02)

The development of a new method for the regiospecific synthesis of polysubstituted indoles and indolines is reported. The key steps involve the generation of zirconocene-stabilized benzyne complexes and subsequent intramolecular olefin insertion reactions to provide tricyclic indoline zirconacycles. The zirconacyclic intermediates were cleaved with iodine to yield diiodo indolines, which were converted to a wide variety of indole and indoline products, such as analogs of tryptamine, serotonin, tryptophan, and the pharmacophore of CC-1065.

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