Practical synthesis of (S)-7-(2-isopropylamino)ethylcamptothecin hydrochloride, potent topoisomerase I inhibitor

Citation
Sk. Ahn et al., Practical synthesis of (S)-7-(2-isopropylamino)ethylcamptothecin hydrochloride, potent topoisomerase I inhibitor, J HETERO CH, 37(5), 2000, pp. 1141-1144
Citations number
16
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
JOURNAL OF HETEROCYCLIC CHEMISTRY
ISSN journal
0022152X → ACNP
Volume
37
Issue
5
Year of publication
2000
Pages
1141 - 1144
Database
ISI
SICI code
0022-152X(200009/10)37:5<1141:PSO(H>2.0.ZU;2-1
Abstract
A practical semi-synthetic method of (S)-7-(2-isopropylamino)ethylcamptothe cin hydrochloride has been developed. The Mannich reaction of (S)-7-methylc amptothecin with isopropylamine hydrochloride in dimethyl sulfoxide as a fo rmaldehyde source gave the desired product in moderate yield.