abstract |
FIELD: chemistry. n SUBSTANCE: present invention relates to different halichondrin B analogues, in a crystalline form, having anticancer activity, as well as a method of producing compounds E-086526 or E-7389 of formulae: n EFFECT: obtaining halichondrin analogues, having anticancer activity. n 8 cl, 21 dwg, 11 tbl, 7 ex n или - or |