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937-59-7

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937-59-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 937-59-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,3 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 937-59:
(5*9)+(4*3)+(3*7)+(2*5)+(1*9)=97
97 % 10 = 7
So 937-59-7 is a valid CAS Registry Number.

937-59-7Downstream Products

937-59-7Relevant articles and documents

Consecutive 6-endo trigonal cyclisations from polyene acyl radical intermediates leading to decalone and perhydrophenanthrone ring constructions

Chen, Ligong,Gill, G. Bryon,Pattenden, Gerald,Simonian, Houri

, p. 31 - 44 (2007/10/03)

A range of substituted Se-phenyl 5,9-dieneselenoates, viz. 15a, 25, 26, 27, 42 and 52, have been synthesised and their reactions with Bu3SnH-AIBN investigated.The diene esters 15a, 42 and 52 are shown to lead to decalone and to perhydrophenanthrone derivatives, viz. 19, 43 and 53, respectively, via consecutive 6-endo trig modes of cyclisations starting from the corresponding 5,9-diene acyl radical intermediates.By contrast, the 5,9-dienoates 25 and 27 lacking alkyl substitution at C-9 instead underwent cyclisation to the indanones 36 and 37, respectively, and the 6-methyl substituted analogue 26 produced only the cyclopentanone 38 on treatment with Bu3SnH-AIBN.

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