The first total synthesis of naturally occurring (+)-gymnasterkoreayne F and its enantiomer is reported. The seven-step route to these two polyacetylenes in enantiomerically pure form involves the use of (+)-2,3-O-isopropylidene-L-threitol and ()-2,3-O-isopropylidene-D-threitol, respectively, as the starting material and a Cadiot–Chodkiewicz reaction as a key step. The absolute configuration of (+)-gymnasterkoreayne F has been confirmed to be (2E,8S,Z). The natural product and its enantiomer have been found to exhibit modest cytotoxicity against the 60 human tumor cell lines of the National Cancer Institute.

Firsty total synthesis of naturally-occurring (+)-gymnasterkoreayne F and its enantiomer

CARPITA, ADRIANO;ROSSI, RENZO
2005

Abstract

The first total synthesis of naturally occurring (+)-gymnasterkoreayne F and its enantiomer is reported. The seven-step route to these two polyacetylenes in enantiomerically pure form involves the use of (+)-2,3-O-isopropylidene-L-threitol and ()-2,3-O-isopropylidene-D-threitol, respectively, as the starting material and a Cadiot–Chodkiewicz reaction as a key step. The absolute configuration of (+)-gymnasterkoreayne F has been confirmed to be (2E,8S,Z). The natural product and its enantiomer have been found to exhibit modest cytotoxicity against the 60 human tumor cell lines of the National Cancer Institute.
Carpita, Adriano; Braconi, S.; Rossi, Renzo
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/205190
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