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184886-39-3

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184886-39-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 184886-39-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,4,8,8 and 6 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 184886-39:
(8*1)+(7*8)+(6*4)+(5*8)+(4*8)+(3*6)+(2*3)+(1*9)=193
193 % 10 = 3
So 184886-39-3 is a valid CAS Registry Number.

184886-39-3Relevant articles and documents

A Suzuki cross-coupling and intramolecular aza-Michael addition reaction sequence towards the synthesis of 1,10b-epi-7-deoxypancratistatins and their cytotoxicity studies

Pandey, Ganesh,Balakrishnan, Madhesan,Swaroop, Pandrangi Siva

experimental part, p. 5839 - 5847 (2009/06/08)

The development of an efficient approach to the construction of a phenanthridone is described. The convergent strategy commences with the preparation of Suzuki cross-coupling reaction precursors, arylboronic acid 12 and α-iodo enone 19, from piperonylamine (9) and (-)-D-quinic acid (10), respectively. The coupling of 12 and 19 followed by a key intramolecular aza-Michael addition produced phenanthridone 21 featuring a cis-fused B-C ring junction. The syntheses of compounds 25 and 26, both of which are C-1 and C-10b epimers of the naturally occurring potent antitumor agent 7-deoxypancratistatin (2), from 21 are elaborated in detail in this paper. The cytotoxicities of 25 and 26 were evaluated against three different cancer cell lines. Compound 26 served as a moderate growth inhibitor of THP-1 monocytic cells (GI50 = 14.5 μg/mL). Wiley-VCH Verlag GmbH & Co. KGaA, 2008.

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