(1S,3aR,4S,5R,7aS)-1-ethyl-3a,4,5,7a-tetrahydro-5-<(phenylthio)methyl>-4-indancarboxylic acid

Base Information

Chemical Name:(1S,3aR,4S,5R,7aS)-1-ethyl-3a,4,5,7a-tetrahydro-5-<(phenylthio)methyl>-4-indancarboxylic acid
CAS No.:95671-28-6
Molecular Formula:C₁₉H₂₄O₂S
Molecular Weight:316.464
Hs Code.:

Synonyms:(1S,3aR,4S,5R,7aS)-1-ethyl-3a,4,5,7a-tetrahydro-5-<(phenylthio)methyl>-4-indancarboxylic acid

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Chemical Property of (1S,3aR,4S,5R,7aS)-1-ethyl-3a,4,5,7a-tetrahydro-5-<(phenylthio)methyl>-4-indancarboxylic acid

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Technology Process of (1S,3aR,4S,5R,7aS)-1-ethyl-3a,4,5,7a-tetrahydro-5-<(phenylthio)methyl>-4-indancarboxylic acid

There total 15 articles about (1S,3aR,4S,5R,7aS)-1-ethyl-3a,4,5,7a-tetrahydro-5-<(phenylthio)methyl>-4-indancarboxylic acid 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%

: 2973-86-6
lithium thiophenoxide

: 76566-89-7
(3aR^*,5aS^*,6S^*,8aR^*,8bS^*)-6-Ethyl-3,3a,5a,6,7,8,8a,8b-octahydro-1H-indeno<4,5-c>furan-1-one

: 95671-28-6
(1S,3aR,4S,5R,7aS)-1-ethyl-3a,4,5,7a-tetrahydro-5-<(phenylthio)methyl>-4-indancarboxylic acid

Guidance literature:: In N,N-dimethyl-formamide; at 110 ℃; for 3h;
DOI:10.1021/jo00209a017

Reference yield:

: 2973-86-6
lithium thiophenoxide

: 76566-89-7,88244-69-3,78216-75-8,91109-68-1
(+/-)-1α-Ethyl-5β-(hydroxymethyl)-3aβ,4,5,7aα-tetrahydroindan-4β-carboxylic Acid γ-Lactone

: 81331-47-7,95671-28-6
(+/-)-(1S,3aR,4S,5R,7aS)-1-ethyl-3a,4,5,7a-tetrahydro-5-<(phenylthio)methyl>-4-indancarboxylic acid

Guidance literature:: In N,N-dimethyl-formamide; at 110 ℃; for 3h;
DOI:10.1021/ja00413a037 DOI:10.1021/jo00209a017

Reference yield:

: 542-28-9,26354-94-9
3,4,5,6-tetrahydro-2H-pyran-2-one

: 81331-47-7,95671-28-6
(+/-)-(1S,3aR,4S,5R,7aS)-1-ethyl-3a,4,5,7a-tetrahydro-5-<(phenylthio)methyl>-4-indancarboxylic acid

Guidance literature:: Multi-step reaction with 12 steps

1: 1.) LDA, 2.) HMPA / 1.) THF, -78 deg C, 30 min, 2.) THF, -78 deg C, 6 h

2: 100 percent / diisobutylaluminum hydride / CH₂Cl₂; toluene / 1 h / -78 °C

3: 70 percent / imidazole / dimethylformamide / 1.5 h / 0 - 20 °C

4: 1.) LDA / 1.) THF, hexane, -78 deg C, 10 min, 2.) THF, hexane, from 0 deg C to 25 deg C, 2 h

5: diisobutylaluminum hydride / CH₂Cl₂; tetrahydrofuran / 1 h / -78 °C

6: imidazole / dimethylformamide / 1 h / Ambient temperature

7: aq. AcOH / tetrahydrofuran / 1 h / 25 °C

8: pyridinium chlorochromate / CH₂Cl₂ / 2 h / Ambient temperature

9: toluene / 12 h / 25 °C

10: toluene / 48 h / 130 °C

11: n-Bu₄NF / tetrahydrofuran / Ambient temperature

12: dimethylformamide / 3 h / 110 °C

With 1H-imidazole; N,N,N,N,N,N-hexamethylphosphoric triamide; tetrabutyl ammonium fluoride; diisobutylaluminium hydride; acetic acid; pyridinium chlorochromate; lithium diisopropyl amide; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide; toluene;
DOI:10.1021/jo00209a017