methyl (2S,3aR,4R,7S,7aS,9R)-9-(benzoyloxy)-2,3,3a,4,7,7a-hexahydro-2,4-dimethyl-8-oxo-4,7-ethano-1H-indene-2-carboxylate

Base Information

Chemical Name:methyl (2S,3aR,4R,7S,7aS,9R)-9-(benzoyloxy)-2,3,3a,4,7,7a-hexahydro-2,4-dimethyl-8-oxo-4,7-ethano-1H-indene-2-carboxylate
CAS No.:914089-11-5
Molecular Formula:C₂₂H₂₄O₅
Molecular Weight:368.43
Hs Code.:

Synonyms:methyl (2S,3aR,4R,7S,7aS,9R)-9-(benzoyloxy)-2,3,3a,4,7,7a-hexahydro-2,4-dimethyl-8-oxo-4,7-ethano-1H-indene-2-carboxylate

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Chemical Property of methyl (2S,3aR,4R,7S,7aS,9R)-9-(benzoyloxy)-2,3,3a,4,7,7a-hexahydro-2,4-dimethyl-8-oxo-4,7-ethano-1H-indene-2-carboxylate

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Technology Process of methyl (2S,3aR,4R,7S,7aS,9R)-9-(benzoyloxy)-2,3,3a,4,7,7a-hexahydro-2,4-dimethyl-8-oxo-4,7-ethano-1H-indene-2-carboxylate

There total 9 articles about methyl (2S,3aR,4R,7S,7aS,9R)-9-(benzoyloxy)-2,3,3a,4,7,7a-hexahydro-2,4-dimethyl-8-oxo-4,7-ethano-1H-indene-2-carboxylate 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: 80.0%

: 945607-51-2
methyl (2S,3aR,4R,7S,7aS,9R)-2,3,3a,4,7,7a-hexahydro-9-hydroxy-2,4-dimethyl-8-oxo-4,7-ethano-1H-indene-2-carboxylate

: 98-88-4
benzoyl chloride

: 914089-11-5
methyl (2S,3aR,4R,7S,7aS,9R)-9-(benzoyloxy)-2,3,3a,4,7,7a-hexahydro-2,4-dimethyl-8-oxo-4,7-ethano-1H-indene-2-carboxylate

Guidance literature:: With dmap; triethylamine; In dichloromethane; at 0 - 18 ℃;
DOI:10.1016/j.tet.2007.03.073

Reference yield:

: 914089-05-7
methyl (3aR,4R,4aR,5S,6S,7aR,8S,8aS)-3a,4a,5,6,7,7a,8,8a-octahydro-2,2,4,6-tetramethyl-5-[(methylthio)thiooxomethoxy]-4,8-etheno-4H-indeno[5,6-d][1,3]dioxole-6-carboxylate

: 914089-11-5
methyl (2S,3aR,4R,7S,7aS,9R)-9-(benzoyloxy)-2,3,3a,4,7,7a-hexahydro-2,4-dimethyl-8-oxo-4,7-ethano-1H-indene-2-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1: 1.76 g / tri-n-butyltin hydride; AIBN / toluene / 5 h / Heating

2: 81 percent / Dowex-50; hydrochloric acid / methanol; H₂O / 110 °C

3: 882 mg / p-TsOH*H₂O; 4-acetamido-TEMPO / CH₂Cl₂ / 0 - 18 °C

4: 80 percent / 4-(N,N-dimethylamino)pyridine; triethylamine / CH₂Cl₂ / 0 - 18 °C

With hydrogenchloride; dmap; 4-acetylamino-2,2,6,6-tetramethylpiperidine-N-oxyl; 2,2'-azobis(isobutyronitrile); Dowex-50; tri-n-butyl-tin hydride; toluene-4-sulfonic acid; triethylamine; In methanol; dichloromethane; water; toluene;
DOI:10.1016/j.tet.2007.03.073

Reference yield:

: 914089-06-8
methyl (3aR,4R,4aR,6S,7aS,8S,8aS)-3a,4a,5,6,7,7a,8,8a-octahydro-2,2,4,6-tetramethyl-4,8-etheno-4H-indeno[5,6-d][1,3]dioxole-6-carboxylate

: 914089-11-5
methyl (2S,3aR,4R,7S,7aS,9R)-9-(benzoyloxy)-2,3,3a,4,7,7a-hexahydro-2,4-dimethyl-8-oxo-4,7-ethano-1H-indene-2-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: 81 percent / Dowex-50; hydrochloric acid / methanol; H₂O / 110 °C

2: 882 mg / p-TsOH*H₂O; 4-acetamido-TEMPO / CH₂Cl₂ / 0 - 18 °C

3: 80 percent / 4-(N,N-dimethylamino)pyridine; triethylamine / CH₂Cl₂ / 0 - 18 °C

With hydrogenchloride; dmap; 4-acetylamino-2,2,6,6-tetramethylpiperidine-N-oxyl; Dowex-50; toluene-4-sulfonic acid; triethylamine; In methanol; dichloromethane; water;
DOI:10.1016/j.tet.2007.03.073