Provided is an optical material composition which makes it possible to design an optical material exhibiting a broad range of properties. This optical material composition contains a compound (A) represented by formula (1), 1,2,3,5,6-pentathiepane (b), and if necessary, a compound (B) represented by formula (2). The content of the compound (B) constitutes 0-30 mass % of the total mass of the composition: ##STR00001##
(In the formula, n m represents an integer which is 0-4, and n represents an integer which is 0-2).

Provided is an optical material composition which makes it possible to design an optical material exhibiting a broad range of properties. This optical material composition contains a compound (A) represented by formula (1), 1,2,3,5,6-pentathiepane (b), and if necessary, a compound (B) represented by formula (2). The content of the compound (B) constitutes 0-30 mass % of the total mass of the composition: ##STR00001##
(In the formula, n m represents an integer which is 0-4, and n represents an integer which is 0-2).

Provided is a composition for optical materials that gives optical materials which can have at least one improved property selected from among satisfactory mold releasability after polymerization and curing, unsusceptibility to separation from the mold during polymerization and curing, transparency, and low-level striae. The present invention further provides a compound represented by formula (1). The composition for optical materials comprises the compound represented by formula (1) and a compound represented by formula (2). (In formula (1), X.sub.1 and X.sub.2 represent O or S, provided that both X.sub.1 and X.sub.2 are O or that X.sub.1 is O and X.sub.2 is S.) ##STR00001##

Provided is a composition for optical materials that gives optical materials which can have at least one improved property selected from among satisfactory mold releasability after polymerization and curing, unsusceptibility to separation from the mold during polymerization and curing, transparency, and low-level striae. The present invention further provides a compound represented by formula (1). The composition for optical materials comprises the compound represented by formula (1) and a compound represented by formula (2). (In formula (1), X.sub.1 and X.sub.2 represent O or S, provided that both X.sub.1 and X.sub.2 are O or that X.sub.1 is O and X.sub.2 is S.) ##STR00001##

In a process for producing a (poly) sulfide compound represented by General Formula (2) of the present invention, thiol compounds represented by General Formula (1) are reacted with each other in the presence of a basic compound represented by General Formula (4) or General Formula (5) and sulfur. ##STR00001##

In a process for producing a (poly) sulfide compound represented by General Formula (2) of the present invention, thiol compounds represented by General Formula (1) are reacted with each other in the presence of a basic compound represented by General Formula (4) or General Formula (5) and sulfur. ##STR00001##

The present disclosure provides novel compounds derived from docosahexaenoic acid endocamabinoid epoxides having anti-cancer, anti-inflammatory, anti-platelet aggregation and anti-angiogenic properties. Methods of synthesizing and using the compositions are also provided.

The present disclosure provides novel compounds derived from docosahexaenoic acid endocamabinoid epoxides having anti-cancer, anti-inflammatory, anti-platelet aggregation and anti-angiogenic properties. Methods of synthesizing and using the compositions are also provided.

The present disclosure provides chemical compound derivatives of a class of biological lipid mediators known as endocannabinoids and methods of synthesizing the compositions. These compounds are useful for treating cancer, reducing inflammation, reducing platelet aggregation, and reducing angiogenesis.

The present disclosure provides chemical compound derivatives of a class of biological lipid mediators known as endocannabinoids and methods of synthesizing the compositions. These compounds are useful for treating cancer, reducing inflammation, reducing platelet aggregation, and reducing angiogenesis.