Toluene-4-sulfonic acid (2S,5R)-5-((1aR,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-((1S,2S)-2-methyl-cyclopropyl)-hexyl ester

Base Information

Chemical Name:Toluene-4-sulfonic acid (2S,5R)-5-((1aR,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-((1S,2S)-2-methyl-cyclopropyl)-hexyl ester
CAS No.:91279-28-6
Molecular Formula:C₃₇H₅₆O₄S
Molecular Weight:596.915
Hs Code.:

Toluene-4-sulfonic acid (2S,5R)-5-((1aR,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-((1S,2S)-2-methyl-cyclopropyl)-hexyl ester

Synonyms:Toluene-4-sulfonic acid (2S,5R)-5-((1aR,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-((1S,2S)-2-methyl-cyclopropyl)-hexyl ester

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Chemical Property of Toluene-4-sulfonic acid (2S,5R)-5-((1aR,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-((1S,2S)-2-methyl-cyclopropyl)-hexyl ester

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Technology Process of Toluene-4-sulfonic acid (2S,5R)-5-((1aR,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-((1S,2S)-2-methyl-cyclopropyl)-hexyl ester

There total 6 articles about Toluene-4-sulfonic acid (2S,5R)-5-((1aR,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-((1S,2S)-2-methyl-cyclopropyl)-hexyl 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:

: 42274-66-8,52194-64-6,52194-65-7,60733-34-8
trans-2-methylcyclopropanecarboxylic acid chloride

: 91279-28-6
Toluene-4-sulfonic acid (2S,5R)-5-((1aR,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-((1S,2S)-2-methyl-cyclopropyl)-hexyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 2.9 g / 2.4 M n-butyllithium / tetrahydrofuran / 0 °C

2: 77 percent / benzene / 10 h / Heating

3: 80 percent / 0.55 M NaBH₄ / pyridine / 4 h

4: 94 percent / 2.4 M n-butyllithium / tetrahydrofuran / 4 h / 0 °C

5: 1.) 1 M borane; 2.) 30 percent H₂O₂, dild. NaOH / 1.) THF, 0 deg C, 2h

6: pyridine / 24 h

With sodium hydroxide; sodium tetrahydroborate; n-butyllithium; borane; dihydrogen peroxide; In tetrahydrofuran; pyridine; benzene;
DOI:10.1021/ja00331a035

Reference yield:

: 91228-92-1
triphenylphopshoranilidenemethyl (2'-methyl)cyclopropyl ketone

: 91279-28-6
Toluene-4-sulfonic acid (2S,5R)-5-((1aR,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-((1S,2S)-2-methyl-cyclopropyl)-hexyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 77 percent / benzene / 10 h / Heating

2: 80 percent / 0.55 M NaBH₄ / pyridine / 4 h

3: 94 percent / 2.4 M n-butyllithium / tetrahydrofuran / 4 h / 0 °C

4: 1.) 1 M borane; 2.) 30 percent H₂O₂, dild. NaOH / 1.) THF, 0 deg C, 2h

5: pyridine / 24 h

With sodium hydroxide; sodium tetrahydroborate; n-butyllithium; borane; dihydrogen peroxide; In tetrahydrofuran; pyridine; benzene;
DOI:10.1021/ja00331a035

Reference yield:

: (25RS,26RS)-24-methylene-26-methyl-6β-methoxy-3α,5:25,27-dicyclo-5α-cholestane

: 91279-28-6
Toluene-4-sulfonic acid (2S,5R)-5-((1aR,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-((1S,2S)-2-methyl-cyclopropyl)-hexyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) 1 M borane; 2.) 30 percent H₂O₂, dild. NaOH / 1.) THF, 0 deg C, 2h

2: pyridine / 24 h

With sodium hydroxide; borane; dihydrogen peroxide; In pyridine;
DOI:10.1021/ja00331a035