(3S,4R)-9-benzyl-4-ethyl-8-methyl-2,3,4,9-tetrahydro-1H-carbazole-3-carbaldehyde

Base Information

Chemical Name:(3S,4R)-9-benzyl-4-ethyl-8-methyl-2,3,4,9-tetrahydro-1H-carbazole-3-carbaldehyde
CAS No.:1169949-15-8
Molecular Formula:C₂₃H₂₅NO
Molecular Weight:331.458
Hs Code.:

Synonyms:(3S,4R)-9-benzyl-4-ethyl-8-methyl-2,3,4,9-tetrahydro-1H-carbazole-3-carbaldehyde

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Chemical Property of (3S,4R)-9-benzyl-4-ethyl-8-methyl-2,3,4,9-tetrahydro-1H-carbazole-3-carbaldehyde

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Technology Process of (3S,4R)-9-benzyl-4-ethyl-8-methyl-2,3,4,9-tetrahydro-1H-carbazole-3-carbaldehyde

There total 2 articles about (3S,4R)-9-benzyl-4-ethyl-8-methyl-2,3,4,9-tetrahydro-1H-carbazole-3-carbaldehyde 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: 74.0%

: 1576-87-0
trans-2-pentenal

: 1287693-66-6
1-benzyl-7-methyl-2-vinyl-1H-indole

: 1169949-15-8
(3S,4R)-9-benzyl-4-ethyl-8-methyl-2,3,4,9-tetrahydro-1H-carbazole-3-carbaldehyde

Guidance literature:: trans-2-pentenal; With (S)-2-{bis[3,5-bis(trifluoromethyl)phenyl][(trimethylsilanyl)oxy]methyl}pyrrolidine; perchloric acid; In acetonitrile; at -15 ℃;

1-benzyl-7-methyl-2-vinyl-1H-indole; In acetonitrile; at -15 ℃; for 41h; optical yield given as %ee; enantioselective reaction;
DOI:10.1002/adsc.201000610

Reference yield:

: 1287693-75-7
C₁₇H₁₅NO

: 1169949-15-8
(3S,4R)-9-benzyl-4-ethyl-8-methyl-2,3,4,9-tetrahydro-1H-carbazole-3-carbaldehyde

Guidance literature:: Multi-step reaction with 2 steps

1.1: n-butyllithium / tetrahydrofuran; hexane / -15 °C / Inert atmosphere

1.2: -15 °C / Inert atmosphere

2.1: (S)-2-{bis[3,5-bis(trifluoromethyl)phenyl][(trimethylsilanyl)oxy]methyl}pyrrolidine; perchloric acid / acetonitrile / -15 °C

2.2: 41 h / -15 °C

With (S)-2-{bis[3,5-bis(trifluoromethyl)phenyl][(trimethylsilanyl)oxy]methyl}pyrrolidine; n-butyllithium; perchloric acid; In tetrahydrofuran; hexane; acetonitrile;
DOI:10.1002/adsc.201000610