The present invention relates to a production method of compound [V] useful as an intermediate for medicaments and agrochemicals. The method includes reacting compound [III] with hexamethylenetetramine under heating to give compound [IV], and oxidizing the obtained compound [IV] with a halous acid salt or a ruthenium compound. According to the present invention, moreover, an organometallic compound having a tolyl group and compound [I] are cross-coupled in the presence of a catalyst to give compound [II] useful as an intermediate for medicaments and agrochemicals. The compound [II] is halogenated to give compound [III].
1
wherein X is halogen atom.
本发明涉及一种用作医药和农药中间体的化合物[V]的生产方法。该方法包括在加热下将化合物[III]与六甲基四胺反应以得到化合物[IV],以及用卤素酸盐或
钌化合物氧化所得到的化合物[IV]。根据本发明,另外,在催化剂存在下,将具有
甲苯基的有机
金属化合物与化合物[I]进行交叉偶联以得到用作医药和农药中间体的化合物[II]。化合物[II]被卤素化以得到化合物[III]。
1
其中X是卤素原子。