摘要:
The present invention relates to new intermediates for the semisynthesis of taxanes and their preparation processes. It relates to derivatives of oxazolidines or oxazolidinones, as well as to new derivatives of baccatine III. The general process for the synthesis of taxanes according to the invention enables to obtain a product such as PACLITAXEL in only five steps from products available in the market, compared to nine steps in general, for processes of the prior art.
摘要:
The present invention relates to novel oxazoline derivatives of the formula (I) in which the radicals A, B, Q and R are each as defined in the description to processes for their preparation and to their use for controlling animal pests.
摘要:
The present invention relates to novel biphenyl ether-oxazolines of the formula (I) in which X, Y, Z, R1, R2, A, m and n have the meaning given in the description, to processes for their preparation and to their use for controlling animal pests, and two novel intermediate products.