申请人:Roussel Uclaf
公开号:US04801717A1
公开(公告)日:1989-01-31
Novel hydroxylamino derivatives of the formula Ar--ONH.sub.2 I wherein Ar is selected from the group consisting of mono- and polycyclic aromatics and hetero-aromatics, both optionally substituted with at least one member of the group consisting of --OH, halogen, --NO.sub.2, --CN, ##STR1## --R.sub.7, --OR.sub.8, ##STR2## --SO.sub.2 R.sub.12, --SO.sub.3 R.sub.13, --COOR.sub.14, aryl of 6 to 14 carbon atoms, --OR.sub.16, --CH.sub.2 --CN and --CH.sub.2 SO.sub.2 --R.sub.15, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are individually selected from the group consisting of hydrogen and alkyl of 1 to 8 carbon atoms, R.sub.7 and R.sub.8 are optionally unsaturated alkyl of 1 to 8 carbon atoms optionally substituted with at least one member of the group consisting of halogen and cyano, R.sub.9, R.sub.10, R.sub.11, R.sub.12 and R.sub.13 are alkyl of 1 to 8 carbon atoms, Z is selected from the group consisting of hydrogen, optionally unsaturated alkyl of 1 to 8 carbon atoms and acyl of an organic carboxylic acid of 2 to 18 carbon atoms, R.sub.14 is selected from the group consisting of hydrogen and alkyl of 1 to 8 carbon atoms, R.sub.15 is selected from the group consisting of alkyl of 1 to 8 carbon atoms and aryl of 6 to 14 carbon atoms optionally substituted with an alkyl of 1 to 8 carbon atoms, R.sub.16 is aryl of 6 to 14 carbon atoms optionally substituted with a member of the group consisting of alkyl of 1 to 8 carbon atoms, halogen and --NO.sub.2, the substituents of Ar being able to form rings containing at least one heteroatom selected from the group consisting of oxygen, nitrogen and sulfur and their non-toxic agriculturally acceptable acid addition salts with the proviso Ar is not phenyl nor phenyl with one methyl in the 2,3 or 4 position, a nitro in the 2- or 4-position, a chlorine in the 3- or 4-position, a bromine in the 4-position or a --CF.sub.3 in the 4-position nor 2,4-dinitrophenyl nor 2-nitro-4-trifluoromethylphenyl nor 2,6-dinitrophenyl nor 2,4,6-trinitrophenyl nor 2,4-dinitro-6-trifluoromethylphenyl useful for increasing vegetation growth and increasing crop yields and their preparation.
本发明涉及一种公式为Ar--ONH.sub.2 I的新型羟胺衍生物,其中Ar选自单环和多环芳香族和杂芳族,均可选择用至少一种--OH,卤素,--NO.sub.2,--CN,##STR1## --R.sub.7,--OR.sub.8,##STR2## --SO.sub.2 R.sub.12,--SO.sub.3 R.sub.13,--COOR.sub.14,6至14个碳原子的芳基,--OR.sub.16,--CH.sub.2 --CN和--CH.sub.2 SO.sub.2 --R.sub.15替代的,R.sub.1,R.sub.2,R.sub.3,R.sub.4,R.sub.5和R.sub.6分别选自氢和1至8个碳原子的烷基,R.sub.7和R.sub.8是可选择的不饱和1至8个碳原子的烷基,可替代至少一种卤素和氰基,R.sub.9,R.sub.10,R.sub.11,R.sub.12和R.sub.13是1至8个碳原子的烷基,Z选自氢,可选择的不饱和1至8个碳原子的烷基和有机羧酸的2至18个碳原子的酰基,R.sub.14选自氢和1至8个碳原子的烷基,R.sub.15选自1至8个碳原子的烷基和可选择替代1至8个碳原子的芳基,R.sub.16是可选择替代1至8个碳原子的烷基,卤素和--NO.sub.2的6至14个碳原子的芳基,Ar的取代基能够形成含有至少一个氧,氮和硫的杂环,其非毒性农业可接受的酸盐,但Ar不是苯基,也不是在2,3或4位上带有一个甲基的苯基,2-或4-位上带有一个硝基,3-或4-位上带有一个氯原子,4-位上带有一个溴原子或4-位上带有一个--CF.sub.3,也不是2,4-二硝基苯基,2-硝基-4-三氟甲基苯基,2,6-二硝基苯基,2,4,6-三硝基苯基或2,4-二硝基-6-三氟甲基苯基,本发明羟胺衍生物可用于促进植物生长和提高农作物产量,并且具有制备方法。