Abstract Synthesizing a variety of tetrahydrosalens from hydrolyzing 1, 3??bis (2′??hydroxy?? 5′??substituted??benzyl) imidazolidines with hydrochloric acid is described. Further reaction of such tetrahydrosalens with aldehydes yielded 2??substituted??1, 3??bis (2′??hydroxy??5′?? substituted??benzyl) imidazolidines.
[UNIVERSITY OF PITTSBURGH - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION; THE UNITED STATES GOVERNMENT AS REPRESENTED BY THE DEPARTMENT OF VETERANS AFFAIRS; CHEN, Beibel; MALLAMPALLI, Rama, K. Patent: WO2013/184202 A1, 2013 ;]