(1S,3aR,8R,9S)-8,9-Bis-benzenesulfonyl-4,5-dihydro-1H-1,3a-ethano-inden-6-one

Base Information

Chemical Name:(1S,3aR,8R,9S)-8,9-Bis-benzenesulfonyl-4,5-dihydro-1H-1,3a-ethano-inden-6-one
CAS No.:108835-38-7
Molecular Formula:C₂₃H₂₀O₅S₂
Molecular Weight:440.541
Hs Code.:

Synonyms:(1S,3aR,8R,9S)-8,9-Bis-benzenesulfonyl-4,5-dihydro-1H-1,3a-ethano-inden-6-one

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Chemical Property of (1S,3aR,8R,9S)-8,9-Bis-benzenesulfonyl-4,5-dihydro-1H-1,3a-ethano-inden-6-one

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Technology Process of (1S,3aR,8R,9S)-8,9-Bis-benzenesulfonyl-4,5-dihydro-1H-1,3a-ethano-inden-6-one

There total 5 articles about (1S,3aR,8R,9S)-8,9-Bis-benzenesulfonyl-4,5-dihydro-1H-1,3a-ethano-inden-6-one 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: 15.0%

: 108835-43-4
(1S,3aR,8R,9S)-8,9-Bis-benzenesulfonyl-1,4,5,6-tetrahydro-1,3a-ethano-indene

: 108835-38-7
(1S,3aR,8R,9S)-8,9-Bis-benzenesulfonyl-4,5-dihydro-1H-1,3a-ethano-inden-6-one

Guidance literature:: With dipyridine chromium trioxide; In dichloromethane; at 25 ℃; for 24h;
DOI:10.1021/jo00391a014

Reference yield:

: 963-15-5
(Z)-1,2-bis(phenylsulfonyl)ethene

: 108835-38-7
(1S,3aR,8R,9S)-8,9-Bis-benzenesulfonyl-4,5-dihydro-1H-1,3a-ethano-inden-6-one

Guidance literature:: Multi-step reaction with 2 steps

1: 84 percent / tetrahydrofuran / 24 h / 4654330 Torr

2: 15 percent / CrO₃*2py / CH₂Cl₂ / 24 h / 25 °C

With dipyridine chromium trioxide; In tetrahydrofuran; dichloromethane;
DOI:10.1021/jo00391a014

Reference yield:

: 542-92-7,25568-84-7,7313-32-8
cyclopenta-1,3-diene

: 108835-38-7
(1S,3aR,8R,9S)-8,9-Bis-benzenesulfonyl-4,5-dihydro-1H-1,3a-ethano-inden-6-one

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) NaH / 1.) THF, 0 deg C, 1 h, 2.) THF, from -78 deg C to 0 deg C, 1 h

3: 84 percent / tetrahydrofuran / 24 h / 4654330 Torr

4: 15 percent / CrO₃*2py / CH₂Cl₂ / 24 h / 25 °C

With dipyridine chromium trioxide; sodium hydride; In tetrahydrofuran; dichloromethane;
DOI:10.1021/jo00391a014