作者:R. M. Srivastava、F. J. S. Oliveira、Deyse S. Machado、Rosa M. Souto-maior
DOI:10.1080/00397919908086124
日期:1999.5
A convenient and efficient synthesis of eight new compounds 5a-h is described. The intermediates 4a-h have also been isolated and characterized the with help of spectroscopic data.