Provided are a preparation method of an epoxy compound having an alkoxysilyl group in which an increase in the epoxy equivalent weight (EEW) of the epoxy compound is minimized because alkoxysilylation occurs through a simple one-step reaction using a hydroxyl group formed during the synthesis of the epoxy compound, an epoxy compound having an alkoxysilyl group prepared by the method, a composition comprising the same, and a use thereof. The method includes the reaction of an epoxy compound having a hydroxyl group with an isocyanate alkoxysilane in the presence of amine-based base catalyst, wherein the epoxy compound having an alkoxysilyl group has a mole ratio of [epoxide group]:[alkoxysilyl group] of n:1 ranging from 2:1 to 10:1, and an EEW increase of the epoxy compound having an alkoxysilyl group is less than 260/n. The epoxy compound has good physical properties when being cured.

An acetylacetone derivative is useful for capturing a metal element by complexation. A convenient and very versatile synthesis method can be used to synthesize the derivative. The derivative can have the following General Formula:

##STR00001##

An acetylacetone derivative is useful for capturing a metal element by complexation. A convenient and very versatile synthesis method can be used to synthesize the derivative. The derivative can have the following General Formula:

##STR00001##

Synthesis of a compound 2-oxo-2-({2-[(phenylcarbamoyl)oxy]ethyl}amino)ethyl phenylcarbamate and its use as an insecticidal agent.

Synthesis of a compound 2-oxo-2-({2-[(phenylcarbamoyl)oxy]ethyl}amino)ethyl phenylcarbamate and its use as an insecticidal agent.

The purpose of the present invention is to provide: a novel compound which can generate a base and radical upon the irradiation with an active energy ray; a photopolymerization initiator which comprises the novel compound; and a photosensitive resin composition which contains the photopolymerization initiator, has high sensitivity and excellent storage stability, and can be formed into a cured article that does not have a metal-corrosive property. The novel compound is represented by formula (1):

##STR00001## (wherein R.sub.1 to R.sub.6 independently represent a hydrogen atom, a hydroxy group, an alkoxy group, an organic group other than the aforementioned substituents, or the like; X represents a residue having a structure such that n hydrogen atoms are removed from a saturated hydrocarbon containing a ring structure; and n represents an integer of 1 to 6).

The purpose of the present invention is to provide: a novel compound which can generate a base and radical upon the irradiation with an active energy ray; a photopolymerization initiator which comprises the novel compound; and a photosensitive resin composition which contains the photopolymerization initiator, has high sensitivity and excellent storage stability, and can be formed into a cured article that does not have a metal-corrosive property. The novel compound is represented by formula (1):

##STR00001## (wherein R.sub.1 to R.sub.6 independently represent a hydrogen atom, a hydroxy group, an alkoxy group, an organic group other than the aforementioned substituents, or the like; X represents a residue having a structure such that n hydrogen atoms are removed from a saturated hydrocarbon containing a ring structure; and n represents an integer of 1 to 6).

The objective of the present invention is to provide a method for producing an isocyanate compound safely and efficiently. The method for producing an isocyanate compound according to the present invention is characterized in comprising the steps of irradiating a high energy light to a halogenated methane at a temperature of 15? C. or lower in the presence of oxygen, and further adding a primary amine compound to be reacted without irradiating a high energy light.

The objective of the present invention is to provide a method for producing an isocyanate compound safely and efficiently. The method for producing an isocyanate compound according to the present invention is characterized in comprising the steps of irradiating a high energy light to a halogenated methane at a temperature of 15? C. or lower in the presence of oxygen, and further adding a primary amine compound to be reacted without irradiating a high energy light.

Provided is a urethane (meth)acrylate that can be cured to form a cured product excellent in stretchability, flexibility, and foldability, as well as shape recoverability when folded. The urethane (meth)acrylate of the present invention is represented by the following formula (1) and has a number average molecular weight (Mn) of 16000 to 60000, a ratio of a weight average molecular weight (Mw) to the (Mn), Mw/Mn, of 1.0 to 1.2, and a urethane group mass content of 0.18 to 0.73 mass % based on a total mass of the urethane (meth)acrylate:

R.sup.2NHC(?O)OR.sup.1OC(?O)NHR.sup.3(1) wherein R.sup.1 is a residual group formed by removing two hydroxy groups from a molecule of a diol selected from the group consisting of a polyether diol, a polyester diol, and a polycarbonate diol; and R.sup.2 and R.sup.3 are each independently a residual group formed by removing an isocyanate group from a monoisocyanate having one or more (meth)acryloyloxy groups per molecule.