Toluene-4-sulfonic acid (3S,8S,9S,10R,13S,14S,17R)-17-{(S)-1-[(4R,5R)-5-((S)-1,2-dimethyl-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-ethyl}-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

Base Information

• Chemical Name: Toluene-4-sulfonic acid (3S,8S,9S,10R,13S,14S,17R)-17-{(S)-1-[(4R,5R)-5-((S)-1,2-dimethyl-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-ethyl}-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
• CAS No.: 75608-33-2
• Molecular Formula: C₃₈H₅₈O₅S
• Molecular Weight: 626.942

Synonyms:Toluene-4-sulfonic acid (3S,8S,9S,10R,13S,14S,17R)-17-{(S)-1-[(4R,5R)-5-((S)-1,2-dimethyl-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-ethyl}-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

Chemical Property of Toluene-4-sulfonic acid (3S,8S,9S,10R,13S,14S,17R)-17-{(S)-1-[(4R,5R)-5-((S)-1,2-dimethyl-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-ethyl}-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Toluene-4-sulfonic acid (3S,8S,9S,10R,13S,14S,17R)-17-{(S)-1-[(4R,5R)-5-((S)-1,2-dimethyl-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-ethyl}-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

There total 1 articles about Toluene-4-sulfonic acid (3S,8S,9S,10R,13S,14S,17R)-17-{(S)-1-[(4R,5R)-5-((S)-1,2-dimethyl-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-ethyl}-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-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:

(3S,8S,9S,10R,13S,14S,17R)-17-{(S)-1-[(4R,5R)-5-((S)-1,2-Dimethyl-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-ethyl}-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol (83066-67-5) → Toluene-4-sulfonic acid (3S,8S,9S,10R,13S,14S,17R)-17-{(S)-1-[(4R,5R)-5-((S)-1,2-dimethyl-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-ethyl}-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester (75608-33-2)

Guidance literature:

DOI:10.1021/ja00541a045

Reference yield:

Toluene-4-sulfonic acid (3S,8S,9S,10R,13S,14S,17R)-17-{(S)-1-[(4R,5R)-5-((S)-1,2-dimethyl-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-ethyl}-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester (75608-33-2) → (3α,5α,6α,8β,9α,12β,13β,16α,17β)-10-[(2'α,3'β,4'β,5'β)-3,4-dihydroxy-5,6-dimethyl-2-heptanyl]-5,6-dihydroxy-7a,9a-dimethylhexadecahydro-3H-benzo[c]indeno[5,4-e]oxepin-3-one (72962-43-7)

Guidance literature:

Multi-step reaction with 4 steps

1: BH₃, O₂ / tetrahydrofuran / 1.) 0 deg C (1.5 h) , 22 deg C (16 h)

2: 1.) LiCO₃, 2.) Jones reagent / 1.) dimethylacetamide, 150 deg C, 15 min

3: OsO₄, C₅H₅N / 3 h / 0 °C

4: 74 percent / CF₃CO₃H / CH₂Cl₂ / 1 h / 22 °C

With pyridine; osmium(VIII) oxide; jones reagent; trifluoroacetyl peroxide; borane; oxygen; In tetrahydrofuran; dichloromethane;

DOI:10.1021/ja00541a045

Reference yield:

Toluene-4-sulfonic acid (3S,8S,9S,10R,13S,14S,17R)-17-{(S)-1-[(4R,5R)-5-((S)-1,2-dimethyl-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-ethyl}-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester (75608-33-2) → Toluene-4-sulfonic acid (3S,5S,6S,8S,9S,10R,13S,14S,17R)-17-{(S)-1-[(4R,5R)-5-((S)-1,2-dimethyl-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-ethyl}-6-hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester (75608-29-6)

Guidance literature:

With borane; oxygen; In tetrahydrofuran; 1.) 0 deg C (1.5 h) , 22 deg C (16 h);

DOI:10.1021/ja00541a045

upstream raw materials:

(3S,8S,9S,10R,13S,14S,17R)-17-{(S)-1-[(4R,5R)-5-((S)-1,2-Dimethyl-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-ethyl}-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol

Downstream raw materials:

Toluene-4-sulfonic acid (3S,5S,6S,8S,9S,10R,13S,14S,17R)-17-{(S)-1-[(4R,5R)-5-((S)-1,2-dimethyl-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-ethyl}-6-hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester

(3α,5α,6α,8β,9α,12β,13β,16α,17β)-10-[(2'α,3'β,4'β,5'β)-3,4-dihydroxy-5,6-dimethyl-2-heptanyl]-5,6-dihydroxy-7a,9a-dimethylhexadecahydro-3H-benzo[c]indeno[5,4-e]oxepin-3-one

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