Technology Process of (R)-4-[(3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3-Amino-10,13-dimethyl-7,12-bis-(4-trifluoromethyl-phenylcarbamoyloxy)-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid icosyl ester
There total 6 articles about (R)-4-[(3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3-Amino-10,13-dimethyl-7,12-bis-(4-trifluoromethyl-phenylcarbamoyloxy)-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid icosyl ester which
guide to synthetic route it.
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synthetic route:
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467428-92-8
(R)-4-[(3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3-Amino-10,13-dimethyl-7,12-bis-(4-trifluoromethyl-phenylcarbamoyloxy)-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid icosyl ester
- Guidance literature:
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Multi-step reaction with 5 steps
1.1: aq. Cs2CO3 / methanol
1.2: 89 percent / NaI / dimethylformamide / 168000 h / 47 °C
2.1: 65 percent / Ph3P; DEAD; Et3N / tetrahydrofuran / 40 °C
3.1: 90 percent / NaN3; N,N'-dimethyl-N,N'-propylene urea / 16 h / 40 °C
4.1: 80 percent / Me3SiCl / 1,2-dichloro-ethane / 16 h / 40 °C
5.1: Zn; glac. AcOH / 8 h
With
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; chloro-trimethyl-silane; sodium azide; caesium carbonate; acetic acid; triethylamine; triphenylphosphine; zinc; diethylazodicarboxylate;
In
tetrahydrofuran; methanol; 1,2-dichloro-ethane;
DOI:10.1002/1521-3765(20020503)8:9<2197::AID-CHEM2197>3.0.CO;2-J
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467428-92-8
(R)-4-[(3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3-Amino-10,13-dimethyl-7,12-bis-(4-trifluoromethyl-phenylcarbamoyloxy)-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid icosyl ester
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: aq. Cs2CO3 / methanol
1.2: 89 percent / NaI / dimethylformamide / 168000 h / 47 °C
2.1: 65 percent / Ph3P; DEAD; Et3N / tetrahydrofuran / 40 °C
3.1: 90 percent / NaN3; N,N'-dimethyl-N,N'-propylene urea / 16 h / 40 °C
4.1: 80 percent / Me3SiCl / 1,2-dichloro-ethane / 16 h / 40 °C
5.1: Zn; glac. AcOH / 8 h
With
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; chloro-trimethyl-silane; sodium azide; caesium carbonate; acetic acid; triethylamine; triphenylphosphine; zinc; diethylazodicarboxylate;
In
tetrahydrofuran; methanol; 1,2-dichloro-ethane;
DOI:10.1002/1521-3765(20020503)8:9<2197::AID-CHEM2197>3.0.CO;2-J
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-
467428-92-8
(R)-4-[(3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3-Amino-10,13-dimethyl-7,12-bis-(4-trifluoromethyl-phenylcarbamoyloxy)-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid icosyl ester
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 65 percent / Ph3P; DEAD; Et3N / tetrahydrofuran / 40 °C
2: 90 percent / NaN3; N,N'-dimethyl-N,N'-propylene urea / 16 h / 40 °C
3: 80 percent / Me3SiCl / 1,2-dichloro-ethane / 16 h / 40 °C
4: Zn; glac. AcOH / 8 h
With
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; chloro-trimethyl-silane; sodium azide; acetic acid; triethylamine; triphenylphosphine; zinc; diethylazodicarboxylate;
In
tetrahydrofuran; 1,2-dichloro-ethane;
DOI:10.1002/1521-3765(20020503)8:9<2197::AID-CHEM2197>3.0.CO;2-J