Patent CA-2004450-A1 (CA)
Title: Abscisic acid-related plant growth - germation promoters
Inventor: ABRAMS SUZANNE R
IPC: A01N37/42
Filed: 1989-12-01
Abstract: ABSTRACT OF THE DISCLOSURE         Composition for enhancing germination and growth of plants which comprises an effective amount of at least one abscisic acid-related compound having the following formula (I):                              (I) wherein R may be carboxyl, aldehyde, hydroxy, hydroxyloweralkyl, alkoxyloweralkyl,   loweralkoxycarbonyl,   loweracyloxy-loweralkyl,    acetylloweralkyl,    loweralkanoyl, loweralkylamino,     diloweralkylamino,     loweralkoxy, loweracyloxy,   loweralkylthio,   loweralkyl   sulphonyl, loweralkyl  sulphinyl,  amino,  carbonyl,  halogen,  thio, phosphate, sulfoxide, sulfone or deuterium;          R1 may be hydrogen, oxo, hydroxyloweralkyl, loweralkoxy, halogen, thio, sulfoxide, sulfone, phosphate or deuterium;          R2 may be hydrogen, oxo, hydroxy, halogen, thio, phosphate, sulfoxide, sulfone or deuterium;          R3  may  be  carboxyl,  aldehyde,  loweralkyl, hydroxy-loweralkyl,    alkoxyloweralkyl,    loweralkoxycarbonyl, loweracyloxyloweralkyl, acetylloweralkyl, loweralkanoyl, loweralkylamino,     diloweralkylamino,     loweralkoxy, loweracyloxy,   loweralkylthio,   loweralkyl   sulphonyl, loweralkyl sulphinyl, or carbonyl; and when R2 is oxo or thio, R2 may be linked to both C1 and C2 carbon atoms to form an epoxy or a thioepoxy ring;          R4  may  be  hydrogen,  oxo,  halogen,  thio,  phosphate, sulfoxide,   sulfone,  deuterium,   hydroxy,   loweralkyl-siloxane,    carboxyl,    aldehyde,    hydroxyloweralkyl, alkoxyloweralkyl,   loweralkoxycarbonyl,   loweracyloxy-loweralkyl, acetylloweralkyl,  loweralkanoyl, loweralkyl-amino,   diloweralkylamino,   loweralkoxy,   loweracyloxy, loweralkylthio,    loweralkyl    sulphonyl,    loweralkyl sulphinyl,  amino,  carbonyl,  cycloalkyl  or  cycloalkoxy having  from 4  to 6  carbon  atoms which  is optionally substituted by loweralkyl,  halogen, oxygen,  hydroxy or loweralkoxy;          R5 may be carboxyl, hydroxy, aldehyde, hydroxyloweralkyl, alkoxyloweralkyl,     loweralkoxycarbonyl, loweracyl-oxyloweralkyl,    acetylloweralkyl,    acetoxyloweralkyl, loweralkanoyl,     loweralkylamino,    diloweralkylamino, loweralkoxy,  loweracyloxy,  loweralkylthio,  loweralkyl sulphonyl,   loweralkyl   sulphinyl,   amino,   carbonyl, halogen,  hydrogen,  oxo,  thio,  phosphate,  sulfoxide, sulfone or deuterium, and when R5 is oxo, it may be linked to the carbon atom bearing R3;          R6 may be hydrogen, oxo, hydroxyloweralkyl, loweralkoxy, halogen, thio, sulfoxide, sulfone, phosphate or deuterium;     R7 may be carboxyl, hydroxy, aldehyde, hydroxyloweralkyl, alkoxyloweralkyl,     loweralkoxycarbonyl,     loweracyl-oxyloweralkyl,    acetylloweralkyl,    acetoxyloweralkyl, loweralkanoyl,     loweralkylamino,    diloweralkylamino, loweralkoxy,  loweracyloxy,  loweralkylthio,  loweralkyl sulphonyl,   loweralkyl   sulphinyl,   amino,   carbonyl, halogen,  hydrogen,  oxo,  thio,  phosphate,  sulfoxide, sulfone or deuterium, and when R7 is oxo, it may be linked to the carbon atom bearing R3; and wherein the dotted lines may each represent a single bond and the double dotted line represents either a double bond or a triple bond, R1 or R6 is absent if the dotted line adjacent to R1 and R6 is a single bond, and isomers and functional derivatives thereof, in  admixture  with  an  acceptable  agricultural  carrier comprising  an agriculturally acceptable carrier cation when R, R1, R2, R4, R5, R6 or R7 are phosphate, sulfoxide or sulfone.