Patent ID: 7067508

Claim:
A diaminedithiol derivative of Formula 2 or a pharmaceutically acceptable salt thereof: wherein: R 2 , R 3 , R 8 to R 14 are independently hydrogen or lower alkyl having C 1 to C 5 ; R 4 and R 5 are independently hydrogen or lower alkyl having C 1 to C 5 or they form oxo (═O) group; R 6 and R 7 are independently hydrogen or lower alkyl having C 1 to C 5 or they form oxo (═O) group, in which at least one of R 2 to R 14 is higher alkyl having C 15 to C 24 and R 4 to R 7 don't form two oxo (═O) groups at the same time; R 1 and R 15 are independently hydrogen or thiol protecting group such as benzoyl, acetamidomethyl, diphenylmethyl, ethylaminocarbonyl, t-butyl, trityl and acetyl, or R 1 and R 15 together form a S—S bond; and, n, o, p are independently 1 or 2.