7α-benzoyloxy-3-dioxolane-5,6-dihydrostigmasterol

Base Information

Chemical Name:7α-benzoyloxy-3-dioxolane-5,6-dihydrostigmasterol
CAS No.:208254-11-9
Molecular Formula:C₃₈H₅₆O₄
Molecular Weight:576.86
Hs Code.:

Synonyms:7α-benzoyloxy-3-dioxolane-5,6-dihydrostigmasterol

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Chemical Property of 7α-benzoyloxy-3-dioxolane-5,6-dihydrostigmasterol

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Technology Process of 7α-benzoyloxy-3-dioxolane-5,6-dihydrostigmasterol

There total 6 articles about 7α-benzoyloxy-3-dioxolane-5,6-dihydrostigmasterol 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: 95.0%

: 107-21-1
ethylene glycol

: 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

: 208254-11-9
7α-benzoyloxy-3-dioxolane-5,6-dihydrostigmasterol

Guidance literature:: With toluene-4-sulfonic acid; In toluene; for 2h; Heating;
DOI:10.1021/jo971405d

Reference yield:

: 83-48-7
Stigmasterol

: 208254-11-9
7α-benzoyloxy-3-dioxolane-5,6-dihydrostigmasterol

Guidance literature:: Multi-step reaction with 6 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

6: 95 percent / p-TsOH / toluene / 2 h / Heating

With dmap; N-hydroxyphthalimide; air; Celite; ammonia; lithium; potassium tri-sec-butyl-borohydride; ammonium chloride; toluene-4-sulfonic acid; silver carbonate; copper dichloride; dibenzoyl peroxide; In tetrahydrofuran; pyridine; toluene;
DOI:10.1021/jo971405d

Reference yield:

: 36449-99-7
7-oxostigmasterol

: 208254-11-9
7α-benzoyloxy-3-dioxolane-5,6-dihydrostigmasterol

Guidance literature:: Multi-step reaction with 5 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

5: 95 percent / p-TsOH / toluene / 2 h / Heating

With dmap; Celite; ammonia; lithium; potassium tri-sec-butyl-borohydride; ammonium chloride; toluene-4-sulfonic acid; silver carbonate; In tetrahydrofuran; pyridine; toluene;
DOI:10.1021/jo971405d