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88839-24-1

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88839-24-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 88839-24-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,8,3 and 9 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 88839-24:
(7*8)+(6*8)+(5*8)+(4*3)+(3*9)+(2*2)+(1*4)=191
191 % 10 = 1
So 88839-24-1 is a valid CAS Registry Number.

88839-24-1Relevant articles and documents

MODELS OF FOLATE COENZYMES 13. SYNTHESES OF BENZOQUINOLIZINE AND INDOLOQUINOLIZINE DERIVATIVES VIA CARBON FRAGMENT TRANSFER FROM FLOATE COENZYME MODELS

Stoit, Axel R.,Pandit, Upendra K.

, p. 3345 - 3354 (1985)

Anions of β,β-disubstituted acetyl acetates (2, CH2COCR1R2COOR3; R1=R2=Me2, R1=Et, R2=COOMe, R1=Et, R2=SPh) add to 1-tosyl-3,4,4-trimethyl-Δ-imidazolinium iodide (3) to give the corresponding imidazolines (4), which are regarded as models of methylenetetrahydrofolate.These models transfer C(2) of the imidazalodine -with its appended carbon fragment- to tryptamine and 2-(3,4-dimethoxybenzene)ethyl amine to yield enaminoketo ester intermediates which can be converted into benzoquinolizine and indoloquinolizine derivatives, respectively, in two cyclization steps.The intermediate derived from transfer of carbon fragment =CH-CH2COC(SPh)(Et)COOMe to tryptamine exhibits reactions which involve nucleophilic displacement at a sulphur atom of a thio ether bond.

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