Heterocyclic compounds and their production

Claim 2

A heterocyclic compound selected from the group consisting of the compounds IV to VII wherein the compounds IV to VII are represented by the formulas: ##STR52## wherein R is a lower alkyl group; R 1 is an alkyl having 1 to 6 atoms, an aryl group having 6 to 10 carbon atoms, an aralkyl group having 7 to 8 carbon atoms, an alkenyl having 2 or 3 carbon atoms or an alkynyl having 2 or 3 carbon atoms; each R 2 is the same or different and respectively indicates --H, --R 1 , or --OR 1 , --CONR 2 1 , --CONHR 1 , --CHO, --COR 1 , --CO 2 R 1 , --NO 2 or halogen atom, or R 1 and R 2 may not bond together; X is ##STR53## --O--, --S--, or ##STR54## two substituents --R 1 on N atom is the same or different when X is ##STR55## and they may bond together with O to form a six-membered ring with the oxygen in the 4 position to the ring N; and the above substituents R 1 and R 2 may be substituted with a substituent selected from the group consisting of an alkyl, alkenyl, aralkyl, alkynyl, aryl, cycloalkyl, alkoxy, halogen, acyl, ester, nitro, cyano, sulfide, sulfone, tertiary amino, and silicon, ##STR56## wherein R, R 1 , R 2 and X are as defined above, ##STR57## wherein R, R 1 , R 2 and X are as defined above, ##STR58## wherein R, and R 2 are as defined above.

Claim 3

The heterocyclic compound according to claim 1, wherein R 1 is a substituent selected from the group consisting of an alkyl, aryl and aralkyl group and R 2 is a substituent selected from the group consisting of hydrogen, an alkyl, aryl and aralkyl group.

Claim 4

A process for producing a heterocyclic compound selected from the group consisting of the compounds IV to VII represented by the following formulas: ##STR59## wherein R, R 1 , R 2 and X are as defined below, ##STR60## wherein R, R 1 , R 2 and X are as defined below, ##STR61## wherein R, R 1 , R 2 and X are as defined below, ##STR62## wherein R and R 2 are as defined below, wherein R is a lower alkyl group, R 1 is an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 10 carbon atoms, an aralkyl group having 7 to 8 carbon atoms, an alkenyl having 2 or 3 carbon atoms or alkynyl group having 2 or 3 carbon atoms; each R 2 is the same or different and respectively indicates --H, --R 1 , or --OR 1 , --CONR 2 1 , --CONHR 1 , --CHO, --COR 1 , --CO 2 R 1 , --NO 2 or halogen atom, or R 1 and R 2 may bond together to form a cyclic group; X is ##STR63## --O--, --S--, or ##STR64## two substituents --R 1 on N atom is the same or different when X is ##STR65## and they may bond together with or without O atom to form a cyclic group; and the above substituents R 1 and R 2 may be substituted, which process comprises reacting a compound represented by the formula: ##STR66## with a compound represented by the formula: A═B II wherein A═B is a compound selected from the group consisting of vinyl ethers, enamines, vinyl thioethers, alkoxyalkynes, thioalkoxyalkynes, ynnamines, N-substituted maleimides, maleic anhydride, maleic acid and esters thereof, fumaric acid and esters thereof, acetylenemonocarboxylic acids and esters thereof, acetylenedicarboxylic acids and esters thereof, phenylacetylenes, acylated acetylenes, (moth)acrylic acid and esters thereof, (meth)acrylonitrile, quinones, cyanoethylenes, isocyanates, ketenes, ketenimines, carbodiimides, thioketenes, sulfinylimines, ketones, isocyanides, carbenes, allenes, isothiocyanates, sulfines, carbon bisulfide, sulfondiimides, azomethine compounds, nitriles, oxiranes, nitrons, nitrile oxides, thiiranes and azirines, and A═B may be substituted or have a cyclic structure.

Claim 5

A process for producing a heterocyclic compound selected from the group consisting of the compounds IV to VII represented by the following formulas: ##STR59## wherein R, R 1 , R 2 and X are as defined below, ##STR60## wherein R, R 1 , R 2 and X are as defined below, ##STR61## wherein R, R 1 , R 2 and X are as defined below, ##STR62## wherein R and R 2 are as defined below, wherein R is a lower alkyl group, R 1 is an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 10 carbon atoms, an aralkyl group having 7 to 8 carbon atoms, an alkenyl having 2 or 3 carbon atoms or alkynyl group having 2 or 3 carbon atoms; each R 2 is the same or different and respectively indicates --H, --R 1 , or --OR 1 , --CONR 2 1 , --CONHR 1 , --CHO, --COR 1 , --CO 2 R 1 , --NO 2 or halogen atom, or R 1 and R 2 may bond together to form a cyclic group; X is ##STR63## --O--, --S--, or ##STR64## two substituents --R 1 on N atom is the same or different when X is ##STR65## and they may bond together with or without O atom to form a cyclic group; and the above substituents R 1 and R 2 may be substituted, which process comprises reacting a compound represented by the formula: ##STR66## with a compound represented by the formula: A═B II wherein A═B is a compound selected from the group consisting of vinyl ethers, enamines, vinyl thioethers, alkoxyalkynes, thioalkoxyalkynes, ynnamines, N-substituted maleimides, maleic anhydride, maleic acid and esters thereof, fumaric acid and esters thereof, acetylenemonocarboxylic acids and esters thereof, acetylenedicarboxylic acids and esters thereof, phenylacetylenes, acylated acetylenes, (moth)acrylic acid and esters thereof, (meth)acrylonitrile, quinones, cyanoethylenes, isocyanates, ketenes, ketenimines, carbodiimides, thioketenes, sulfinylimines, ketones, isocyanides, carbenes, allenes, isothiocyanates, sulfines, carbon bisulfide, sulfondiimides, azomethine compounds, nitriles, oxiranes, nitrons, nitrile oxides, thiiranes and azirines, and A═B may be substituted or have a cyclic structure.

Claim 6

The process for producing a heterocyclic compound according to claim 3, wherein the compound of the formula II is a compound represented by the formula: ##STR67## wherein R 1 is an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 10 carbon atoms, an aralkyl group having 1 to 8 carbon atoms, an alkenyl group having 2 or 3 carbon atoms or an alkynyl group having 2 or 3 carbon atoms; each R 2 is the same or different and respectively indicates --H, --R 1 , --OR 1 , --CONHR 2 1 , --CONHR 1 , --CHO, --COR 1 , --CO 2 R 1 , --NO 2 , or halogen atom, or R 1 and R 2 may bond together to form a cyclic group; X is ##STR68## --O--, --S--, or ##STR69## two substituents --R 1 on N atom is the same or different when X is ##STR70## and they may bond together with or without O atom to form a cyclic group; and the above substituents R 1 and R 2 may be substituted, and the heterocyclic compound is a compound selected from the group consisting of the compounds IV to VII represented by the following formulas: ##STR71## wherein R is a lower alkyl, R 1 , R 2 and X are as defined above ##STR72## wherein R, R 1 , R 2 and X are as defined above ##STR73## wherein R, R 1 , R 2 and X are as defined above, and ##STR74## wherein R and R 2 are as defined above.

Claim 7

The process for producing a heterocyclic compound according to claim 3, wherein R 1 is a substituent selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 10 carbon atoms and an aralkyl group having 7 to 8 carbon atoms and R 2 is a substituent selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 10 carbon atoms and an aralkyl group having 7 to 8 carbon atoms.