Patent Number: 6,310,222

Title: Production method of 5-phthalancarbonitrile compound, intermediate therefor and production method of the intermediate

Abstract: The present invention provides a production method of a 5-phthalancarbonitrile compound, which comprises the use of a novel compound of the formula [I] ##STR1## wherein X is chlorine atom, bromine atom or iodine atom, as a key intermediate; intermediate; and the process of preparing intermediates.

Inventors: Ikemoto; Tetsuya (Osaka, JP), Igi; Masami (Osaka, JP)

Assignee: Sumika Fine Chemicals Co., Ltd.

International Classification: C07C 33/00 (20060101); C07C 33/46 (20060101); C07C 43/313 (20060101); C07C 43/00 (20060101); C07C 29/09 (20060101); C07D 307/00 (20060101); C07C 29/00 (20060101); C07C 69/63 (20060101); C07D 307/79 (20060101); C07C 69/00 (20060101); C07D 307/79 ()

Expiration Date: 10/30/2018