Reaktion #172941

Reaktionsgleichung

cyclopropanecarboxylic acid

methyl 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-((2-(piperazin-1-yl)ethyl)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)benzoate

→

title compound

4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-((2-(4-(cyclopropanecarbonyl)piperazin-1-yl)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

Reaktionsbedingungen

Aufarbeitung

1. 1
   Sonstigem/e 710.8 (M+H)+, 4.41 min (method 15)

Vorschrift

The title compound (0.9 mg) was prepared from methyl 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-((2-(piperazin-1-yl)ethyl)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)benzoate following the general procedure as described above using cyclopropanecarboxylic acid as the acylating agent. LCMS: m/e 710.8 (M+H)+, 4.41 min (method 15). 1H NMR (500 MHz, METHANOL-d4) δ 7.88 (d, J=7.9 Hz, 2H), 7.16 (d, J=7.9 Hz, 2H), 5.30 (d, J=4.9 Hz, 1H), 4.78 (s, 1H), 4.67 (s, 1H), 3.84 (br. s., 2H), 3.77-3.50 (m, 2H), 3.09-2.97 (m, 1H), 2.94-2.81 (m, 2H), 2.77 (td, J=10.5, 5.3 Hz, 1H), 2.73-2.57 (m, 4H), 2.48 (br. s., 1H), 2.21-1.82 (m, 8H), 1.75 (s, 3H), 1.73-1.07 (m, 15H), 1.24 (s, 3H), 1.10 (s, 3H), 1.06 (s, 3H), 0.97 (s, 3H), 0.97 (s, 3H), 0.93-0.87 (m, 2H), 0.87-0.79 (m, 2H).

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