Disclosed are multifunctional compounds represented by structural formula (I): ##STR00001##
methods of producing compounds represented by structural formula (I) and their use in inhibiting corrosion in corrodible material.

Disclosed are multifunctional compounds represented by structural formula (I): ##STR00001##
methods of producing compounds represented by structural formula (I) and their use in inhibiting corrosion in corrodible material.

Disclosed are multifunctional compounds represented by structural formula (I): ##STR00001##
methods of producing compounds represented by structural formula (I) and their use in inhibiting corrosion in corrodible material.

A curable composition containing: a compound represented by the following formula (1):

##STR00001##

wherein R.sup.11 and R.sup.12 each independently represent a hydrogen atom or a methyl group, and R.sup.13 represents a divalent group having a polyoxyalkylene chain; and a thermally conductive filler.

The present invention provides a process for preparing a (1,2-dimethyl-3-methylenecyclopentyl)acetate compound of the following general formula (3), wherein R represents a linear or branched alkyl group having 1 to 4 carbon atoms, the process comprising subjecting a haloacetaldehyde alkyl 2,3-dimethyl-2-cyclopentenyl acetal compound of the following general formula (1), wherein R is as defined above, and Y represents a halogen atom, to a dehydrohalogenation reaction in the presence of a base, followed by a rearrangement reaction to obtain a (1,2-dimethyl-2-cyclopentenyl)acetate compound of the following general formula (2), wherein R is as defined above, and subjecting the (1,2-dimethyl-2-cyclopentenyl)acetate compound (2) to an epoxidation reaction, followed by an isomerization reaction and then a methylenation reaction to obtain the (1,2-dimethyl-3-methylenecyclopentyl)acetate compound of the following general formula (3). The present invention also provides a process for preparing (1,2-dimethyl-3-methylenecyclopentyl)acetaldehyde of the following formula (4), the process comprising the aforesaid process for preparing the (1,2-dimethyl-3-methylenecyclopentyl)acetate compound (3), and converting an alkoxycarbonylmethyl group (i.e., —CH.sub.2C(═O)OR) of the (1,2-dimethyl-3-methylenecyclopentyl)acetate compound (3) to a formylmethyl group (i.e., —CH.sub.2CHO) to obtain (1,2-dimethyl-3-methylenecyclopentyl)acetaldehyde (4).

##STR00001##

The present invention provides a process for preparing a (1,2-dimethyl-3-methylenecyclopentyl)acetate compound of the following general formula (3), wherein R represents a linear or branched alkyl group having 1 to 4 carbon atoms, the process comprising subjecting a haloacetaldehyde alkyl 2,3-dimethyl-2-cyclopentenyl acetal compound of the following general formula (1), wherein R is as defined above, and Y represents a halogen atom, to a dehydrohalogenation reaction in the presence of a base, followed by a rearrangement reaction to obtain a (1,2-dimethyl-2-cyclopentenyl)acetate compound of the following general formula (2), wherein R is as defined above, and subjecting the (1,2-dimethyl-2-cyclopentenyl)acetate compound (2) to an epoxidation reaction, followed by an isomerization reaction and then a methylenation reaction to obtain the (1,2-dimethyl-3-methylenecyclopentyl)acetate compound of the following general formula (3). The present invention also provides a process for preparing (1,2-dimethyl-3-methylenecyclopentyl)acetaldehyde of the following formula (4), the process comprising the aforesaid process for preparing the (1,2-dimethyl-3-methylenecyclopentyl)acetate compound (3), and converting an alkoxycarbonylmethyl group (i.e., —CH.sub.2C(═O)OR) of the (1,2-dimethyl-3-methylenecyclopentyl)acetate compound (3) to a formylmethyl group (i.e., —CH.sub.2CHO) to obtain (1,2-dimethyl-3-methylenecyclopentyl)acetaldehyde (4).

##STR00001##

The present invention relates to a process for preparing a process for preparing a (2-cyclopentenyl)acetate ester compound of the following general formula (2): wherein R represents a linear or branched alkyl group having 1 to 4 carbon atoms, Y represents a halogen atom, and X.sub.1 to X.sub.7 represent, independently of each other, a hydrogen atom or a methyl group, with the proviso that one to three among X.sub.1 to X.sub.7 represent a methyl group and the remaining represent a hydrogen atom, the process comprising: subjecting a haloacetaldehyde alkyl 2-cyclopentenyl acetal compound of the following general formula (1): wherein R is as defined above, X.sub.1 to X.sub.7 are as selected in the general formula (2), respectively, and Y represents a halogen atom, to a dehydrohalogenation reaction in the presence of a base, followed by a rearrangement reaction to form the (2-cyclopentenyl)acetate ester compound (2) and a process for preparing a (2-cyclopentenyl)acetic acid compound of the following general formula (3): wherein X.sub.1 to X.sub.7 are as selected in the general formula (1), respectively, the process comprising hydrolyzing the (2-cyclopentenyl)acetate ester compound (2) to form the (2-cyclopentenyl)acetic acid compound (3). The present invention relates also to the novel compound, haloacetaldehyde alkyl 2-cyclopentenyl acetal compound (1).

##STR00001##

The present invention relates to a process for preparing a process for preparing a (2-cyclopentenyl)acetate ester compound of the following general formula (2): wherein R represents a linear or branched alkyl group having 1 to 4 carbon atoms, Y represents a halogen atom, and X.sub.1 to X.sub.7 represent, independently of each other, a hydrogen atom or a methyl group, with the proviso that one to three among X.sub.1 to X.sub.7 represent a methyl group and the remaining represent a hydrogen atom, the process comprising: subjecting a haloacetaldehyde alkyl 2-cyclopentenyl acetal compound of the following general formula (1): wherein R is as defined above, X.sub.1 to X.sub.7 are as selected in the general formula (2), respectively, and Y represents a halogen atom, to a dehydrohalogenation reaction in the presence of a base, followed by a rearrangement reaction to form the (2-cyclopentenyl)acetate ester compound (2) and a process for preparing a (2-cyclopentenyl)acetic acid compound of the following general formula (3): wherein X.sub.1 to X.sub.7 are as selected in the general formula (1), respectively, the process comprising hydrolyzing the (2-cyclopentenyl)acetate ester compound (2) to form the (2-cyclopentenyl)acetic acid compound (3). The present invention relates also to the novel compound, haloacetaldehyde alkyl 2-cyclopentenyl acetal compound (1).

##STR00001##

A composition set containing: a first liquid containing an oxidizing agent; and a second liquid containing a reducing agent, wherein at least one of the first liquid and the second liquid contains a compound represented by the following formula (1):

##STR00001##

wherein R.sup.11 and R.sup.12 each independently represent a hydrogen atom or a methyl group, and R.sup.13 represents a divalent group having a polyoxyalkylene chain, and wherein the polyoxyalkylene chain has 100 or more of oxyalkylene groups.

Disclosed herein is a method of making polymerizable bio-based monomers containing one phenolic hydroxyl group which has been derivatized to provide at least one polymerizable functional group which is an ethylenically unsaturated functional group (such as a [meth]acrylate group), where the precursors of the polymerizable bio-based monomers are derived from raw lignin-containing biomass. Also disclosed herein are bio-based copolymers prepared from such bio-based monomers and a co-monomer, and methods of making and using such bio-based copolymers. In particular, the bio-based copolymers can be used as pressure sensitive adhesives, binders, and polymer electrolytes.