申请人:SUMITOMO SEIKA CHEMICALS CO., LTD.
公开号:EP0770599A1
公开(公告)日:1997-05-02
The present invention is directed to a process for preparing an aromatic or heteroaromatic sulfonyl halide represented by the formula (3), the process comprising halogenating an aromatic or heteroaromatic methyl sulfide represented by the formula (1) or an aromatic or heteroaromatic methyl sulfoxide represented by the formula (2) with a halogenating agent in the presence of water
Ar(̵SCH3-mXm)n (1)
Ar(̵SOCH3-mXm)n (2)
Ar(̵SO2Y)n (3)
wherein Ar is an aromatic ring or a heteroaromatic ring which is unsubstituted or which has an optional substituent or substituents, X and Y are halogen atoms, m is an integer of 0 to 3 and n is 1 or 2.
According to the present invention, aromatic or heteroaromatic sulfonyl halides can be produced industrially cheaply and easily.
本发明涉及一种制备由式(3)表示的芳香族或杂芳香族磺酰卤的工艺,该工艺包括在有水的情况下,用卤化剂卤化由式(1)表示的芳香族或杂芳香族甲基硫醚或由式(2)表示的芳香族或杂芳香族甲基亚砜
Ar(̵SCH3-mXm)n (1)
Ar(̵SOCH3-mXm)n (2)
Ar(̵SO2Y)n (3)
其中 Ar 是未被取代或具有任选取代基的芳香环或杂芳环,X 和 Y 是卤素原子,m 是 0 至 3 的整数,n 是 1 或 2。
根据本发明,芳香族或杂芳香族磺酰卤可以廉价、简便地工业化生产。