(4bS,4cS,9bS,9cR)-4c-Ethyl-7,9-dimethoxy-9c-methyl-9b-phenyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one

Base Information

• Chemical Name: (4bS,4cS,9bS,9cR)-4c-Ethyl-7,9-dimethoxy-9c-methyl-9b-phenyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one
• CAS No.: 99707-89-8
• Molecular Formula: C₂₈H₂₆O₃
• Molecular Weight: 410.513

Synonyms:(4bS,4cS,9bS,9cR)-4c-Ethyl-7,9-dimethoxy-9c-methyl-9b-phenyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one

Chemical Property of (4bS,4cS,9bS,9cR)-4c-Ethyl-7,9-dimethoxy-9c-methyl-9b-phenyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one

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Technology Process of (4bS,4cS,9bS,9cR)-4c-Ethyl-7,9-dimethoxy-9c-methyl-9b-phenyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one

There total 5 articles about (4bS,4cS,9bS,9cR)-4c-Ethyl-7,9-dimethoxy-9c-methyl-9b-phenyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-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: 55.0%

C29H26O5 (99707-74-1) → (6aS,11bR)-6-Ethyl-9,11-dimethoxy-5-methyl-11b-phenyl-6a,11b-dihydro-benzo[c]fluoren-7-one (85749-76-4) + (4bS,4cS,9bS,9cR)-4c-Ethyl-7,9-dimethoxy-4b-methyl-9b-phenyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one (99707-81-0) + (4bS,4cS,9bS,9cR)-4c-Ethyl-7,9-dimethoxy-9c-methyl-9b-phenyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one (99707-89-8) + (6aS,11aR)-6-Ethyl-7,9-dimethoxy-5-methyl-6a-phenyl-6a,11a-dihydro-benzo[a]fluoren-11-one (99707-75-2)

Guidance literature:

With hydroquinone; In diphenylether; at 250 ℃; for 3h; Further byproducts given;

DOI:10.1021/jo00357a014

Reference yield: 53.0%

C29H26O5 (85749-67-3) → (6aS,11bR)-6-Ethyl-9,11-dimethoxy-5-methyl-11b-phenyl-6a,11b-dihydro-benzo[c]fluoren-7-one (85749-76-4) + (4bS,4cS,9bS,9cR)-4c-Ethyl-7,9-dimethoxy-4b-methyl-9b-phenyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one (99707-81-0) + (6aR,11bR)-6-Ethyl-9,11-dimethoxy-6a-methyl-11b-phenyl-6a,11b-dihydro-benzo[c]fluoren-7-one (99707-86-5) + (4bS,4cS,9bS,9cR)-4c-Ethyl-7,9-dimethoxy-9c-methyl-9b-phenyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one (99707-89-8)

Guidance literature:

With hydroquinone; In diphenylether; at 250 ℃; for 6h; Further byproducts given;

DOI:10.1021/jo00357a014

Reference yield: 10.0%

C29H26O5 (99707-74-1) → (6aS,11bR)-6-Ethyl-9,11-dimethoxy-5-methyl-11b-phenyl-6a,11b-dihydro-benzo[c]fluoren-7-one (85749-76-4) + (4bS,4cS,9bS,9cR)-4c-Ethyl-7,9-dimethoxy-4b-methyl-9b-phenyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one (99707-81-0) + (6aR,11bR)-6-Ethyl-9,11-dimethoxy-6a-methyl-11b-phenyl-6a,11b-dihydro-benzo[c]fluoren-7-one (99707-86-5) + (4bS,4cS,9bS,9cR)-4c-Ethyl-7,9-dimethoxy-9c-methyl-9b-phenyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one (99707-89-8)

Guidance literature:

With hydroquinone; In diphenylether; at 250 ℃; for 3h; Further byproducts given;

DOI:10.1021/jo00357a014

upstream raw materials:

C₂₉H₂₆O₅

C₂₉H₂₆O₅

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