4b,4c,9b,9c-tetrahydro-9c-methyl-4c-phenyl-5H-benzocyclopropafluorene

Base Information

• Chemical Name: 4b,4c,9b,9c-tetrahydro-9c-methyl-4c-phenyl-5H-benzocyclopropafluorene
• CAS No.: 80949-69-5
• Molecular Formula: C₂₄H₂₀
• Molecular Weight: 308.423

Synonyms:4b,4c,9b,9c-tetrahydro-9c-methyl-4c-phenyl-5H-benzocyclopropafluorene

Chemical Property of 4b,4c,9b,9c-tetrahydro-9c-methyl-4c-phenyl-5H-benzocyclopropafluorene

Chemical Property:

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Technology Process of 4b,4c,9b,9c-tetrahydro-9c-methyl-4c-phenyl-5H-benzocyclopropafluorene

There total 3 articles about 4b,4c,9b,9c-tetrahydro-9c-methyl-4c-phenyl-5H-benzocyclopropafluorene 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: 63.0%

1,2-diphenyl-3-methyl-3-(o-vinylphenyl)cyclopropene (70913-08-5) → 4b,4c,9b,9c-tetrahydro-9c-methyl-4c-phenyl-5H-benzocyclopropafluorene (80949-69-5) + (1α,1aβ,6α,6aβ)-1,1a,6,6a-tetrahydro-1a-methyl-1,6a-diphenyl-1,6-methanocyclopropindene (70913-09-6)

Guidance literature:

With thio-xanthene-9-one; In benzene; for 2.5h; Irradiation;

DOI:10.1021/ja00351a051

Reference yield:

3-methyl-1,2-diphenylcyclopropenylium perchlorate (72612-89-6,75032-50-7,84537-34-8) → 4b,4c,9b,9c-tetrahydro-9c-methyl-4c-phenyl-5H-benzocyclopropafluorene (80949-69-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 64 percent / tetrahydrofuran / -78 - 5 °C

2: 35 percent / thioxanthen-9-one / benzene / 2.5 h / Irradiation

With thio-xanthene-9-one; In tetrahydrofuran; benzene;

DOI:10.1021/ja00351a051

Reference yield:

(2-vinyl-phenyl)magnesium bromide (107531-56-6) → 4b,4c,9b,9c-tetrahydro-9c-methyl-4c-phenyl-5H-benzocyclopropafluorene (80949-69-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 64 percent / tetrahydrofuran / -78 - 5 °C

2: 35 percent / thioxanthen-9-one / benzene / 2.5 h / Irradiation

With thio-xanthene-9-one; In tetrahydrofuran; benzene;

DOI:10.1021/ja00351a051

upstream raw materials:

1,2-diphenyl-3-methyl-3-(o-vinylphenyl)cyclopropene

3-methyl-1,2-diphenylcyclopropenylium perchlorate

(2-vinyl-phenyl)magnesium bromide

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