C07C323/51

METHOD FOR PREPARING ESTER THIOL COMPOUND AND OPTICAL RESIN CONTAINING THE SAME
20250116797 · 2025-04-10 ·

A method for producing an ester thiol compound of Formula 3 below includes: reacting a polyalcohol of Formula 1 below and a mercaptocarboxylic acid of Formula 2 below by using a catalyst, wherein the catalyst is prepared by introducing superstrong acid into mesoporous materials with pore diameter ranging from 2 to 10 nm:

##STR00001## wherein, R.sub.1 and R.sub.2 are each independently H or CH.sub.3, l is an integer of 0 to 2, m is an integer of 1 to 4, and n is an integer of 0 to 3.

METHOD FOR PREPARING ESTER THIOL COMPOUND AND OPTICAL RESIN CONTAINING THE SAME
20250116797 · 2025-04-10 ·

A method for producing an ester thiol compound of Formula 3 below includes: reacting a polyalcohol of Formula 1 below and a mercaptocarboxylic acid of Formula 2 below by using a catalyst, wherein the catalyst is prepared by introducing superstrong acid into mesoporous materials with pore diameter ranging from 2 to 10 nm:

##STR00001## wherein, R.sub.1 and R.sub.2 are each independently H or CH.sub.3, l is an integer of 0 to 2, m is an integer of 1 to 4, and n is an integer of 0 to 3.