专利号:US-6160181-A 优先权日:1998-09-01 标题 :Tetraene derivative and process for producing the same 发明人:SEKO SHINZO; KONYA NAOTO; TAKAHASHI TOSHIYA; FURUTANI ATSUSHI 权利人:SUMITOMO CHEMICAL CO 摘要:A tetraene derivative of the formula (1): ##STR1## wherein Ar represents an aryl group which may be optionally substituted with at least one substituent, and R 1 and R 2 are identical or different and represent a hydrogen atom, a lower alkyl group or a protective group of a hydroxyl group; synthesis methods therefor and synthesis methods using the same.