10,11-methylenedioxy-20(RS)-camptothecin and 10,11-methylenedioxy-20(S)-camptothecin analogs

US5180722A · kind A · utility

Assignee

• Research Triangle Institute · US

Inventors

• Monroe E. Wall · Chapel Hill, US
• Mansukh C. Wani · Durham, US
• Allan W. Nicholas · Raleigh, US
• Govindarajan Manikumar · Raleigh, US

Key dates

• Filing date: Sep 13, 1990
• Grant date: Jan 19, 1993
• Expiry date: Sep 13, 2010

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D471/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A camptothecin analog having the structure shown below: ##STR1## where Z is H or C.sub.1-8 alkyl and R is NO.sub.2, NH.sub.2, N.sub.3, hydrogen, halogen, COOH, OH, O--C.sub.1-3 alkyl, SH, S--C.sub.1-3 alkyl, CN, CH.sub.2 NH.sub.2, NH--C.sub.1-3 alkyl, CH.sub.2 --NH--C.sub.1-3 alkyl, N(C.sub.1-3 alkyl).sub.2, CH.sub.2 N(C.sub.1-3 alkyl).sub.2, O--, NH--, or S--CH.sub.2 CH.sub.2 N(CH.sub.2 CH.sub.2 OH).sub.2, O--, NH-- or S-- CH.sub.2 CH.sub.2 CH.sub.2 N(CH.sub.2 CH.sub.2 OH).sub.2, O--, NH-- or S--CH.sub.2 CH.sub.2 N(CH.sub.2 CH.sub.2 CH.sub.2 OH).sub.2, O--, NH-- or S--CH.sub.2 CH.sub.2 CH.sub.2 N(CH.sub.2 CH.sub.2 CH.sub.2 OH.sub.2).sub.2, O--, NH-- or S--CH.sub.2 CH.sub.2 N(C.sub.1-3 alkyl).sub.2, O--, NH-- or S--CH.sub.2 CH.sub.2 CH.sub.2 N(C.sub.1-3 alkyl).sub.2, CHO, C.sub.1-3 alkyl or NHCOCHR.sup.1 NR.sup.2 R.sup.3, where R.sup.1 is the side-chain of an .alpha.-amino acid and R.sup.2 and R.sup.3, independently are hydrogen or a lower alkyl group or R.sup.3 is a peptide unit containing 1-3 amino acid units bonded to the nitrogen through a peptide bond; NHCO--C.sub.2-8 -alkylene--X or NHCO--C.sub.2-8 -alkenylene--X, where X is COOH; CONR.sup.2 --(CH.sub.2).sub.n --NR.sup.2 R.su…