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132907-12-1

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132907-12-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132907-12-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,9,0 and 7 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 132907-12:
(8*1)+(7*3)+(6*2)+(5*9)+(4*0)+(3*7)+(2*1)+(1*2)=111
111 % 10 = 1
So 132907-12-1 is a valid CAS Registry Number.

132907-12-1Downstream Products

132907-12-1Relevant articles and documents

Synthetic Study of the Highly Potent and Selective Anti-platelet Activating Factor Thiazolidin-4-one Agents and related Compounds

Tanabe, Yoo,Yamamoto, Hitomi,Murakami, Masanari,Yanagi, Kazunori,Kubota, Yoshino,et al.

, p. 935 - 948 (2007/10/02)

Stereoselective cyclo-condensation of α-sulfanylcarboxylic acids (or esters) 6 with N-methylarylimines 7 afforded the title compounds, 2-arylthiazolidin-4-ones, some of which exhibit highly potent anti-PAF activity.The reaction without added catalyst gave predominantly cis products, however, when titanium(IV) isopropoxide was added as catalyst trans products were predominantly formed.Allylation of 3-methyl-2-(3-pyridyl)thiazolidin-4-one 22 with allyl bromide using lithium amides gave the trans-5-allyl-2-(3-pyridyl)thiazolidin-4-one 23 with good selectivity.To study the stereostructure-activity relationship, the four optically active isomers of 3,5-dimethyl-2-(3-pyridyl)thiazolidin-4-one 4 and 5-(4-chlorophenyl)-3-methyl-2-(3-pyridyl)thiazolidin-4-one 5 were synthesized.The absolute configurations of compounds 4 and 5 were determined by X-ray analyses and 1H NMR measurements.Epimerization of the 5-position of compounds 4 and 5 was found to be effected by bases with high regioselectivity (>99percent), which was checked by a cross-over experiment using several optically active compounds.

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