Patent classifications
C07C69/73
Compound, resin, resist composition and method for producing resist pattern
Disclosed are a compound represented by formula (I), a resin including a structural unit derived from the compound, and a resist composition: ##STR00001## wherein R.sup.1 represents an alkyl group which may have a halogen atom, a hydrogen atom or a halogen atom; A.sup.1 represents a single bond or *-A.sup.2-CO—O—; A.sup.2 and A.sup.3 represent an alkanediyl group; W represents a divalent monocyclic saturated alicyclic hydrocarbon group; R.sup.2 and R.sup.3 each represent a hydrogen atom or a hydrocarbon group which may have a fluorine atom, etc., R.sup.4 represents a hydrogen atom, —CH.sub.2— in the group may be replaced by —O—, —S—, etc., R.sup.2 and R.sup.3, or R.sup.2, R.sup.3 and R.sup.4 may be bonded each other to form a ring which may have a fluorine atom or an alkyl group.
Prodrugs of alpha-ketoglutarate, alpha-ketobutyrate, alpha-ketoisovalerate, and alpha-ketoisohexanoate, and uses thereof
The present disclosure provides compounds of Formula (VIA), Formula (IIIA), Formula (IVA), and Formula (VA). The compounds are prodrugs of alpha-ketoglutarate, alpha-ketobutryrate, alpha-ketoisovalerate, and alpha-ketoisohexanoate, which are useful in treating or preventing age related diseases, disorders, or conditions. ##STR00001##
Renewable acrylic acid production and products made therefrom
Processes and methods for making biobased acrylic acid products including acrylic acid, acrylic acid oligomers, acrylic acid esters, acrylic acid polymers and articles from renewable carbon resources are described herein.
Renewable acrylic acid production and products made therefrom
Processes and methods for making biobased acrylic acid products including acrylic acid, acrylic acid oligomers, acrylic acid esters, acrylic acid polymers and articles from renewable carbon resources are described herein.
PRODRUGS OF ALPHA-KETOGLUTARATE, ALPHA-KETOBUTYRATE, ALPHA-KETOISOVALERATE, AND ALPHA-KETOISOHEXANOATE, AND USES THEREOF
The present disclosure provides compounds and compositions capable of extending lifespan, and methods of use thereof.
LIVING RADICAL POLYMERIZATION INITIATOR, METHOD FOR PRODUCING POLYMER, AND POLYMER
A living radical polymerization initiator represented by the following:
##STR00001##
wherein, R.sup.1 represents an aromatic, an alkylcarbonyl, an alkoxycarbonyl, an aminocarbonyl, an alkylaminocarbonyl, a dialkylaminocarbonyl, an arylcarbonyl, an alkylsulfonyl, an aryl sulfonyl or combinations thereof; R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are a hydrogen, an aliphatic, an aromatic, an alkylcarbonyl, an alkoxycarbonyl, an aminocarbonyl, an alkylaminocarbonyl, a dialkylaminocarbonyl, an arylcarbonyl, a carboxy, an alkylsulfonyl or an aryl sulfonyl; X and Y are a halogen; m and n are an integer of 1 or more, and
##STR00002## are non-symmetrical so that X and Y have different reactivities to initiate a living radical polymerization.
Diastereoselective Synthesis of (±)-Epianastrephin, (±)-Anastrephin and Analogs Thereof
A process for the synthesis of trans-fused γ-lactones having Formula (IV) from substituted cyclic ketones having Formula (I). A diastereoselective synthesis of (±)-epianastrephin (1) (wherein: R.sup.1 is ethenyl, R.sup.2 and R.sup.3 is methyl, and n is 1), (±)-anastrephin (2) (wherein: R.sup.2 is ethenyl, R.sup.1 and R.sup.3 is methyl and n is 1), and analogs thereof (wherein: R.sup.1 is H, C.sub.1-5 alkyl, C.sub.2-6 alkenyl or C.sub.2-6 alkynyl, R.sup.2 is H, C.sub.1-5 alkyl, C.sub.2-6 alkenyl or C.sub.2-6 alkynyl, R.sup.1 and R.sup.2 together with the carbon atom they are attached form a C.sub.3-6 cycloalkyl ring, R.sup.3 is C.sub.1-5 alkyl and n is 0-2):
##STR00001##
Diastereoselective Synthesis of (±)-Epianastrephin, (±)-Anastrephin and Analogs Thereof
A process for the synthesis of trans-fused γ-lactones having Formula (IV) from substituted cyclic ketones having Formula (I). A diastereoselective synthesis of (±)-epianastrephin (1) (wherein: R.sup.1 is ethenyl, R.sup.2 and R.sup.3 is methyl, and n is 1), (±)-anastrephin (2) (wherein: R.sup.2 is ethenyl, R.sup.1 and R.sup.3 is methyl and n is 1), and analogs thereof (wherein: R.sup.1 is H, C.sub.1-5 alkyl, C.sub.2-6 alkenyl or C.sub.2-6 alkynyl, R.sup.2 is H, C.sub.1-5 alkyl, C.sub.2-6 alkenyl or C.sub.2-6 alkynyl, R.sup.1 and R.sup.2 together with the carbon atom they are attached form a C.sub.3-6 cycloalkyl ring, R.sup.3 is C.sub.1-5 alkyl and n is 0-2):
##STR00001##
Method of using a carbon-michael compound
Embodiments of the present disclosure are directed towards using a carbon-Michael compound. As an example, a method of using a carbon-Michael compound to reduce heat transfer can include locating the carbon-Michael compound between a heat provider and a heat receptor, where the carbon-Michael compound is a reaction product of a multifunctional acrylate compound with a multifunctional Michael donor, and the heat provider has a temperature from 100 C to 290 C.
Method of using a carbon-michael compound
Embodiments of the present disclosure are directed towards using a carbon-Michael compound. As an example, a method of using a carbon-Michael compound to reduce heat transfer can include locating the carbon-Michael compound between a heat provider and a heat receptor, where the carbon-Michael compound is a reaction product of a multifunctional acrylate compound with a multifunctional Michael donor, and the heat provider has a temperature from 100 C to 290 C.