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2-n-propyl-1,1-di-n-butyl-1-benzostannepine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

207741-32-0

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207741-32-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 207741-32-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,7,4 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 207741-32:
(8*2)+(7*0)+(6*7)+(5*7)+(4*4)+(3*1)+(2*3)+(1*2)=120
120 % 10 = 0
So 207741-32-0 is a valid CAS Registry Number.

207741-32-0Upstream product

207741-32-0Downstream Products

207741-32-0Relevant articles and documents

An alternative general preparation of 2-alkyl-1-benzostannepines and their conversion into 1-benzostibepines and 1-benzoborepines via a tin-metal exchange

Sashida, Haruki,Kuroda, Atsuhiro

, p. 1965 - 1969 (2007/10/03)

The 2-alkyl-1-benzostannepines 4a-g were prepared by the intramolecular hydrostannation of the tin intermediates 3 to an acetylenic moiety in one pot from (Z)-1-(o-bromophenyl)but-1-en-3-ynes 1. The obtained stannepines 4 were easily converted into the 1-benzostibepines 9, 10, 11, 12 and the 1-benzoborepines 14, 15 by tin-antimony and t/n-boron exchange reactions in moderate to good yields, respectively. The 1-benzoborepines 14 and 15 are hitherto unknown heterocyclic ring systems.

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