摘要 |
The invention relates to a method for producing epothilone B and derivatives, and to intermediate products for this method. According to the novel method, the epothilone B or derivatives are produced in high yields from the C1-C6, C7-C10 and C11-C20-fragments 2, 3 and 4 that can be obtained economically and diastereomerically purely (the variable radicals having the meanings given in the description ).
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