申请人:Nitrok/e/ mia Ipartelepek
公开号:US04668274A1
公开(公告)日:1987-05-26
The present invention refers to new etherified hydroxy-alkyl phosphonic acid derivatives of the general formula (I) ##STR1## wherein R stands for 2,3-dihydro-2,2-dimethyl-benzofuran-7-yl, 4-methyl-coumarin-7-yl, 2,2,4-trimethyl-(2H)-chromen-5-yl or 2,2,4-trimethyl-(2H)-chromen-7,yl, R.sup.1 and R.sup.2 are the same or different and stand for hydrogen, C.sub.1-8 alkyl, C.sub.1-4 halogen-alkyl, C.sub.1-4 alkoxy-C.sub.1-2 alkyl, Me stands for a monovalent cation. The new compounds can be used as active ingredients of plant growth regulating agents.
本发明涉及一种新的醚化羟基烷基膦酸衍生物,其一般式为(I)##STR1##其中R代表2,3-二氢-2,2-二甲基-苯并呋喃-7-基,4-甲基香豆素-7-基,2,2,4-三甲基-(2H)-香豆素-5-基或2,2,4-三甲基-(2H)-香豆素-7-基,R.sup.1和R.sup.2相同或不同,代表氢,C.sub.1-8烷基,C.sub.1-4卤代烷基,C.sub.1-4烷氧基-C.sub.1-2烷基,Me代表一价阳离子。这些新化合物可以用作植物生长调节剂的活性成分。