申请人:Merck Patent Gesellschaft mit Beschrankter Haftung
公开号:US05068341A1
公开(公告)日:1991-11-26
Optically active hydantoins of the formula I ##STR1## wherein X, Y, R.sup.1, R.sup.2 and R.sup.3 have the meaning given in Patent claim 1, are useful intermediate products for the preparation of D-(+)-biotin.
Compounds having an antidote activity for the protection of cultivations of agrarian interest from the action of nonselective herbicides
申请人:Montedison S.p.A.
公开号:EP0104495A2
公开(公告)日:1984-04-04
Compounds having antidote activity and belonging to the class of the derivatives of 1,3-thiazolidine useful for protecting cultivations of agrarian interest from the toxic action of nonselective herbicides are herein described. The invention relates, also, to a method for protecting cultivations of agrarian interest from the toxic action of nonselective herbicides consisting in the use, as antidotes, of the above mentioned compounds and the compositions for agrarian use containing said compounds.
Optisch aktive Hydantoine der Formel I,
worin X, Y, R¹, R² und R³ die in Patentanspruch 1 angegebene Bedeutung besitzen, sind wertvolle Zwischenprodukte für die Herstellung von D-(+)-Biotin.
式 I 的光学活性海因,其中 X、Y、R¹、R² 和 R³ 具有权利要求 1 中给出的含义,是生产 D-(+)-生物素的重要中间体。
Beta-carbonyl-carboxyamides of 1,3-thiazolidines
申请人:BOEHRINGER MANNHEIM ITALIA S.P.A.
公开号:EP0333080B1
公开(公告)日:1993-10-13
Compounds with antidotal activity for the defence of cultivations of agrarian interest from the action of non-selective weed-killers