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US 4,084,951 AGranted
Silicon compounds containing nucleofugal phosphate group and method of regulating plant growth therewith
AssigneeCiba-Geigy Corporation
InventorMaurice James Gregory
Life of this patent
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Abstract
Compounds containing the grouping X-- CH.sub.2 --CH.sub.2 --Si .tbd. where X is a nucleofugal phosphate group, are useful as plant regulating agents, particularly as yield stimulants for Hevea brasiliensis.
Claims12
A compound having the formula:
- ##STR6## wherein X is selected from ##STR7## where M is hydrogen or ammonium;
- R.sup.1 and R.sup.2 are the same or different and each is an open chain or cyclic hydrocarbon group containing from 1 to 18 carbon atoms;
- and B, Q and Z are the same or different and each is selected from the group consisting of:
- (i) chlorine or bromine,
- (ii) alkyl having from 1 to 18 carbon atoms,
- (iii) alkoxy having from 1 to 18 carbon atoms,
- (iv) phenyl or tolyl,
- (v) hydroxyl,
- (vi) thiol or alkylthio,
- (vii) dialkylamino, ##STR8## defined above, and B and Z are as defined in any one of groups (i) to (vii), (ix) and (x) hereof,
- (ix) --CH.sub.2 --CH.sub.2 --X, where X is as defined above,
- (x) hydroxy-substituted or halogen-substituted alkyl or alkoxy,
- said compound being capable of decomposing in water to provide ehtylene.
10 more elements
Dependencies are inferred from the claim text.