申请人:Hoffmann-La Roche Inc.
公开号:US04476308A1
公开(公告)日:1984-10-09
Pyrrolidine derivatives of the formula ##STR1## wherein R.sup.1 is hydrogen or lower alkanoyl, R.sup.2 is hydrogen or lower alkyl and R.sup.3 is hydrogen, lower alkyl or a group of the formula --(CH.sub.2).sub.n --NR.sup.4 R.sup.5, wherein n is a whole number of 2 to 4 and R.sup.4 and R.sup.5 each, independently, are hydrogen or lower alkyl, or R.sup.4 and R.sup.5 taken together with the nitrogen atom are a pyrrolidinyl, piperidinyl, piperazinyl or morpholinyl group which is optionally substituted by one or two lower alkyl groups, enantiomers thereof, and acid addition salts of compounds of formula I and their enantiomers which are basic, are useful in the control or prevention of cerebral insufficiency or in the improvement of intellectual capacity. The compounds of formula I of the invention can be prepared starting from starting materials hereinafter described, and are useful as medicaments, for example, in the form of pharmaceutical preparations.
Pyrrolidine衍生物的化学式为##STR1##其中R.sup.1为氢或较低的烷酰基,R.sup.2为氢或较低的烷基,R.sup.3为氢、较低的烷基或化学式--(CH.sub.2).sub.n --NR.sup.4 R.sup.5的基团,其中n为2至4的整数,R.sup.4和R.sup.5各自独立地为氢或较低的烷基,或者R.sup.4和R.sup.5与氮原子一起形成的是一个哌啶基、哌啶基、哌嗪基或吗啉基,该基团可以选择性地被一个或两个较低的烷基取代,其对映异构体,以及化学式I化合物及其对映异构体的酸盐是有用的,用于控制或预防脑供血不足或提高智力能力。本发明的化学式I化合物可以从下文所述的起始材料开始制备,并且可作为药物使用,例如以药物制剂的形式。