Synthesis and antitumor activity of 20(S)-camptothecin derivatives: Carbamate-linked, water-soluble derivatives of 7-ethyl-10-hydroxycamptothecin

DOI: 10.1248/cpb.39.1446

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 1446 - 1454 (1991)

Update date:2022-08-03

Topics:

Authors:

Sawada Sawada

Okajima Okajima

Aiyama Aiyama

Nokata Nokata

Furuta Furuta

Yokokura

Sugino Sugino

Yamaguchi

Miyasaka

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Article abstract of DOI:10.1248/cpb.39.1446

Novel 36 derivatives (6), bonding the phenolic hydroxyl group of 7-ethyl-10-hydroxycamptothecin (4) with diamines through a monocarbamate linkage, were synthesized and their antitumor activity was evaluated in vivo. The derivatives were soluble in water as their HCl salts with the E lactone ring intact and exhibited significant antitumor activity. One of the derivatives, 6-27 showed excellent activity against L1210 leukemia and other murine tumors. The structure of its hydrochloride trihydrate (CPT-11) was determined by spectroscopic and crystallographic methods.

Full text of DOI:10.1248/cpb.39.1446

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