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Paper | Regular issue | Vol 31, No. 2, 1990, pp.255-258
Published online, 1st January, 1970
DOI: 10.3987/COM-89-5121
Synthesis of C-8 Prenylated and Angular 3-(1’,1’-Dimethylallyl)coumarins

Javier Salvá, Francisco Rodríguez Luis, Enrique Pando, Guillermo Martínez Massanet, and Rosario Hernández Galán

*Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Apartado 40, Puerto Real Cádiz, Spain

Abstract

The natural coumarins ramosinin (1) and 3-(1’,1’-dimethylallyl)-8-(3",3"-dimethylallyl)xanthyletin (2) have been synthesized from umbelliferone. The synthesis of the angular derivatives 3-(1’,1’-dimethylallyl)columbianetin (9) and 3-(1’,1’-dimethylallyl)lomatin (10) was also achiebed.