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.
该专利涉及一种新型羟胺衍生物,其化学式为Ar--ONH.sub.2,其中Ar选自包括单环和多环芳烃和杂环芳烃的群体,这些芳烃和杂环芳烃可以选择性地取代至少一个--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到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的群体中的至少一个成员,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到8个碳原子的烷基的群体,R.sub.7和R.sub.8可以选择性地为1到8个碳原子的不饱和烷基,该烷基可以选择性地取代至少一个卤素和氰基,R.sub.9、R.sub.10、R.sub.11、R.sub.12和R.sub.13为1到8个碳原子的烷基,Z选自包括氢、可选择性不饱和的1到8个碳原子的烷基和2到18个碳原子的有机羧酸酰基的群体,R.sub.14选自包括氢和1到8个碳原子的烷基的群体,R.sub.15选自包括1到8个碳原子的烷基和6到14个碳原子的芳基的群体,该芳基可以选择性地取代1到8个碳原子的烷基,R.sub.16为6到14个碳原子的芳基,可以选择性地取代包括1到8个碳原子的烷基、卤素和--NO.sub.2的群体的成员,Ar的取代基能够形成含有至少一个氧、氮和硫的杂原子的环,并且其非毒性农业可接受的酸盐,但Ar不能为苯基,也不能为苯基在2、3或4位上带有一个甲基、2-或4-位上带有一个硝基、3-或4-位上带有一个氯、4-位上带有一个溴或4-位上带有一个--CF.sub.3,也不能为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。这种羟胺衍生物可用于促进植物生长和增加作物产量,以及其制备方法。