4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-((2-((1,1-dioxidotetrahydrothiophen-3-yl)amino)ethyl)amino)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoic acid → 4-((1 S,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-1-isopropyl-5a,5b,8,8,11a-pentamethyl-3a-((3-morpholinopropyl)amino)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoic acid

Participants

Reaction Steps

The title compound was prepared following the method described above for the synthesis 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-((2-((1,1-dioxidotetrahydrothiophen-3-yl)amino)ethyl)amino)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoic acid using 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-((3-morpholinopropyl)amino)-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoic acid as the starting material. The product was isolated as a white solid (5 mg, 40%). LCMS: m/e 659.55 (M+H)+, 2.86 min (method 10). 1H NMR (500 MHz, Acetic) δ 8.04 (d, J=8.5 Hz, 2H), 7.30 (d, J=8.2 Hz, 2H), 5.38 (d, J=4.6 Hz, 1H), 3.98 (br. s., 4H), 3.47-3.14 (m, 6H), 2.58-2.34 (m, 1H), 2.30-1.04 (m, 27H), 1.21 (s, 3H), 1.11 (s, 3H), 1.11 (s, 3H), 1.02 (s, 3H), 1.00 (s, 3H), 0.93 (d, J=6.7 Hz, 4H), 0.86 (d, J=6.7 Hz, 3H).

Provenance & Evidence