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US 12,655,092 B2Granted
Precursor compounds of ester compounds
AssigneeUniversity of Guelph
InventorsAmr Zaitoon, Loong-Tak Lim, Cynthia Scott-Dupree
Life of this patent
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Abstract
The present disclosure relates to compounds of the formula (I) which are precursor compounds of esters, whereby upon hydrolysis of the precursor compound, an ester compound is released. This ester precursor approach can be useful for applications where controlled release of, for example, ethyl formate, is beneficial.
Claims13
A compound of formula (I)
- wherein
- A is C═O, C═S, —S(O2)—, or —C═N—R, wherein R is H or C1-5-alkyl;
- R1 is H, C1-C5-alkyl, or phenyl;
- R2 is a mono-, di-, tri- or tetra C1-C18-hydrocarbyl radical which is linear, branched, or cyclic, or a combination thereof;
- R3 is H or C1-C3-alkyl;
- R4 is C1-C5-alkyl or C6-C10-aryl;
- n is the integer 1, 2, 3, or 4, wherein when n is 1, the compound of formula (I) has the structure (IA)
- and R2 is a C6-C18-alkyl group.
5 more elements
Dependencies are inferred from the claim text.