1,2-dihydro-9H-benzofluorene

Base Information

• Chemical Name: 1,2-dihydro-9H-benzofluorene
• CAS No.: 84787-49-5
• Molecular Formula: C₁₇H₁₄
• Molecular Weight: 218.298

Synonyms:1,2-dihydro-9H-benzofluorene

Chemical Property of 1,2-dihydro-9H-benzofluorene

Chemical Property:

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Technology Process of 1,2-dihydro-9H-benzofluorene

There total 2 articles about 1,2-dihydro-9H-benzofluorene 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%

5,7,7a,11b-tetrahydrobenzocyclopropabiphenylene → benzo[c]fluorene (205-12-9) + 1,2-dihydro-9H-benzofluorene (84787-49-5) + 4a,9a-dihydro-9H-benzofluorene

Guidance literature:

at 625 ℃;

Reference yield:

2-benzylidene-1-tetralol (6261-31-0) → (E)-2-benzylidene-1-tetralone (6261-32-1) + 2-benzylnaphthalene (613-59-2) + 2-(Benzylidene)-3,4-dihydronaphthalen-1(2H)-on (59082-36-9) + 1,2-dihydro-9H-benzofluorene (84787-49-5)

Guidance literature:

With pyridine hydrochloride; at 220 ℃; for 0.25h; Yield given;

DOI:10.1016/0040-4020(80)85052-6

upstream raw materials:

2-benzylidene-1-tetralol

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