HRID85620

反应详情

EQUATION

反应方程式

HRID 85620 的结构方程式

PROCEDURE

实验过程

The title compound was prepared following the hydrolysis method described above for the synthesis of 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-(2-(2-hydroxyethylsulfonyl)ethylamino)-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 methyl 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-(2-(tert-butoxycarbonylamino)ethylamino)-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)benzoate (10 mg, 0.015 mmol) as starting material. The title compound was isolated as a white solid (4 mg, 39%). LCMS: m/e 673.45 (M+H)+, 2.65 min (method 10). 1H NMR (500 MHz, Acetic acid d4) δ ppm 8.04 (d, J=8.24 Hz, 2H), 7.30 (d, J=8.55 Hz, 2H), 5.51-5.32 (m, 1H), 4.87 (s, 1H), 4.75 (s, 1H), 3.82-3.53 (m, 1H), 3.53-3.24 (m, 3H), 3.04-2.83 (m, 1H), 2.37-1.15 (m, 22H), 1.77 (s, 3H), 1.53-1.49 (m, 9H), 1.27 (s, 3H), 1.14 (s, 3H), 1.11 (s, 3H), 1.02 (s, 3H), 1.00 (s, 3H).

WORKUP

后处理

  1. customThe title compound was prepared
  2. customthe hydrolysis method