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US 5,393,778 AGranted
Oligomeric thiocarbonates
AssigneeUnion Oil Company of California
InventorsJames A. Green, II, Donald C. Young
Life of this patent
Estimating the term…
Abstract
Oligomeric thiocarbonates such as hexathiodicarbonate salts and thioesters are used as pesticides and preservatives. Certain oligomeric thiocarbonate salts, notably quaternary ammonium hexathiodicarbonates, are prepared. The compounds are stabilized with added base and/or sulfide.
Claims17
A compound represented by the formula ##STR6## wherein X and Y independently are selected from organic cations;
- n is at least 2;
- the organic cations have the formula R.sub.1 R.sub.2 R.sub.3 R.sub.4 Q.sup.+ ;
- R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently selected from the group consisting of hydrogen and C.sub.1 -C.sub.50 organic radicals selected from the group consisting of alkyl, aryl, arylalkyl, and alkylaryl groups, provided that at least one of R.sub.1, R.sub.2, R.sub.3, and R.sub.4 is an organic radical;
- and Q.sup.+ is selected from the group consisting of ammonium, phosphonium, arsonium, and stibonium.
1 more element
A composition comprising:
- (a) a compound represented by the formula ##STR7## wherein X and Y independently are organic cations;
- n is at least 1;
- the organic cations have the formula R.sub.1 R.sub.2 R.sub.3 R.sub.4 Q.sup.+ ;
- R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently selected from the group consisting of hydrogen and C.sub.1 -C.sub.50 organic radicals selected from the group consisting of alkyl, aryl, arylalkyl, and alkylaryl groups, provided that at least one of R.sub.1, R.sub.2, R.sub.3, and R.sub.4 is an organic radical;
- and Q.sup.+ is selected from the group consisting of ammonium, phosphonium, arsonium, and stibonium;
- and
- (b) a stabilizing agent selected from the group consisting of sulfides having the formula M.sub.m S.sub.y and bases, wherein M is selected from the group consisting of ammonium, alkali metals, alkaline earth metals, and organosubstituted heteroatomic cations;
- m is 2 when M is monovalent;
- m is 1 when M is divalent;
- and y is at least 2.
7 more elements
A compound represented by the formula ##STR8## wherein n is at least 1;
- X and Y independently are organic cations having the formula R.sub.1 R.sub.2 R.sub.3 R.sub.4 Q.sup.+ ;
- R.sub.1 is selected from the group consisting of hydrogen, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, t-butyl, benzyl, and phenyl;
- R.sub.2 is selected from the group consisting of methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, t-butyl, benzyl, and phenyl;
- R.sub.3 is selected from the group consisting of hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, t-butyl, benzyl, and phenyl;
- R.sub.4 is selected from the group consisting of hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, t-butyl, benzyl, and phenyl;
- and Q.sup.+ is selected from the group consisting of ammonium, phosphonium, arsonium, and stibonium.
3 more elements
A compound represented by the formula ##STR9## wherein n is at least 1;
- X and Y independently are organic cations having the formula R.sub.1 R.sub.2 R.sub.3 R.sub.4 Q.sup.+ ;
- R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently selected from the group consisting of hydrogen and C.sub.1 -C.sub.50 organic radicals selected from the group consisting of alkyl, aryl, arylalkyl, and alkylaryl groups, provided that at least one of R.sub.1, R.sub.2, R.sub.3, and R.sub.4 is an organic radical;
- and Q.sup.+ is selected from the group consisting of phosphonium, arsonium, and stibonium.
An agricultural composition comprising:
- (a) a compound represented by the formula ##STR10## wherein n is at least 1;
- X and Y independently are organic cations having the formula R.sub.1 R.sub.2 R.sub.3 R.sub.4 Q.sup.+ ;
- R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently selected from the group consisting of hydrogen and C.sub.1 -C.sub.50 organic radicals selected from the group consisting of alkyl, aryl, arylalkyl, and alkylaryl groups, provided that at least one of R.sub.1, R.sub.2, R.sub.3, and R.sub.4 is an organic radical;
- and Q.sup.+ is selected from the group consisting of ammonium, phosphonium, arsonium, and stibonium;
- and
- (b) a fertilizer.
3 more elements
Dependencies are inferred from the claim text.