Benzoic acid (5S,7R,8R,9S,10S,13R,14S,17R)-17-((E)-(1R,4S)-4-ethyl-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-7-yl ester

Base Information

Chemical Name:Benzoic acid (5S,7R,8R,9S,10S,13R,14S,17R)-17-((E)-(1R,4S)-4-ethyl-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-7-yl ester
CAS No.:208254-10-8
Molecular Formula:C₃₆H₅₂O₃
Molecular Weight:532.807
Hs Code.:

Benzoic acid (5S,7R,8R,9S,10S,13R,14S,17R)-17-((E)-(1R,4S)-4-ethyl-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-7-yl ester

Synonyms:Benzoic acid (5S,7R,8R,9S,10S,13R,14S,17R)-17-((E)-(1R,4S)-4-ethyl-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-7-yl ester

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Chemical Property of Benzoic acid (5S,7R,8R,9S,10S,13R,14S,17R)-17-((E)-(1R,4S)-4-ethyl-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-7-yl ester

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Technology Process of Benzoic acid (5S,7R,8R,9S,10S,13R,14S,17R)-17-((E)-(1R,4S)-4-ethyl-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-7-yl ester

There total 5 articles about Benzoic acid (5S,7R,8R,9S,10S,13R,14S,17R)-17-((E)-(1R,4S)-4-ethyl-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-7-yl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 86.0%

: 98-88-4
benzoyl chloride

: 208254-09-5
(5S,7R,8R,9S,10S,13R,14S,17R)-17-((E)-(1R,4S)-4-Ethyl-1,5-dimethyl-hex-2-enyl)-7-hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-one

: 208254-10-8
Benzoic acid (5S,7R,8R,9S,10S,13R,14S,17R)-17-((E)-(1R,4S)-4-ethyl-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-7-yl ester

Guidance literature:: With dmap; In pyridine; at 0 - 20 ℃; for 8h;
DOI:10.1021/jo971405d

Reference yield:

: 36449-99-7
7-oxostigmasterol

: 208254-10-8
Benzoic acid (5S,7R,8R,9S,10S,13R,14S,17R)-17-((E)-(1R,4S)-4-ethyl-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-7-yl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) Li, NH₃, 2.) NH₄Cl / 1.) THF, 1 h, dry ice/acetone bath

2: 96 percent / K-selectride / tetrahydrofuran / -20 °C

3: 92 percent / Ag₂CO₃/celite / toluene / 8 h

4: 86 percent / DMAP / pyridine / 8 h / 0 - 20 °C

With dmap; Celite; ammonia; lithium; potassium tri-sec-butyl-borohydride; ammonium chloride; silver carbonate; In tetrahydrofuran; pyridine; toluene;
DOI:10.1021/jo971405d

Reference yield:

: 83-48-7
Stigmasterol

: 208254-10-8
Benzoic acid (5S,7R,8R,9S,10S,13R,14S,17R)-17-((E)-(1R,4S)-4-ethyl-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-7-yl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 1.) N-hydroxyphthalimide, dibenzoyl peroxide, air, 2.) CuCl₂ / 1.) EtOAc, acetone, 50 - 55 deg C, 48 h, 2.) pyridine, 0 deg C, overnight

2: 1.) Li, NH₃, 2.) NH₄Cl / 1.) THF, 1 h, dry ice/acetone bath

3: 96 percent / K-selectride / tetrahydrofuran / -20 °C

4: 92 percent / Ag₂CO₃/celite / toluene / 8 h

5: 86 percent / DMAP / pyridine / 8 h / 0 - 20 °C

With dmap; N-hydroxyphthalimide; air; Celite; ammonia; lithium; potassium tri-sec-butyl-borohydride; ammonium chloride; silver carbonate; copper dichloride; dibenzoyl peroxide; In tetrahydrofuran; pyridine; toluene;
DOI:10.1021/jo971405d