申请人:Sankyo Company, Limited
公开号:US05338855A1
公开(公告)日:1994-08-16
Compounds of formula (I): ##STR1## (wherein: R.sup.1 is alkyl; R.sup.2 and R.sup.3 are each alkyl or alkoxy, or R.sup.2 and R.sup.3 together form an optionally substituted benzene ring and, when R.sup.2 and R.sup.3 together form said benzene ring, R.sup.1 is hydrogen, halogen or alkyl; R.sup.4 and R.sup.5 both represent hydrogen, or together represent a single carbon-carbon bond; W is a single bond or alkylene; and Z is a hydrogen atom or a cation) have valuable therapeutic and prophylactic activities, including anti-diabetic activities.
式(I)的化合物:##STR1##(其中:R.sup.1是烷基;R.sup.2和R.sup.3各自是烷基或烷氧基,或者R.sup.2和R.sup.3一起形成一个可选取代苯环,当R.sup.2和R.sup.3一起形成该苯环时,R.sup.1是氢、卤素或烷基;R.sup.4和R.sup.5均表示氢,或者一起表示一个碳-碳键;W是单键或烷基;Z是氢原子或阳离子),具有有价值的治疗和预防活性,包括抗糖尿病活性。