trans-9,10-bis(benzoyloxy)-9,10-dihydrobenzopyrene

• Chemical Name: trans-9,10-bis(benzoyloxy)-9,10-dihydrobenzopyrene
• Molecular Formula: C₃₄H₂₂O₄
• Molecular Weight: 494.546
• Mol file: 79970-85-7.mol

Synonyms:trans-9,10-bis(benzoyloxy)-9,10-dihydrobenzopyrene

Chemical Property of trans-9,10-bis(benzoyloxy)-9,10-dihydrobenzo

Chemical Property:

Purity/Quality:

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Technology Process of trans-9,10-bis(benzoyloxy)-9,10-dihydrobenzo

There total 7 articles about trans-9,10-bis(benzoyloxy)-9,10-dihydrobenzopyrene 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:

7,8-dihydrobenzopyrene (17573-23-8) → trans-9,10-bis(benzoyloxy)-9,10-dihydrobenzopyrene (79970-85-7)

Guidance literature:

Multi-step reaction with 3 steps

1: 62 percent / iodine / benzene / 4 h / Heating

2: N-bromosuccinimid (NBS), benzoyl peroxide / CCl₄ / 1.5 h / Heating

3: 1,5-diazabicyclo<4.3.0>non-5-ene (DBN) / tetrahydrofuran / 48 h / 5 °C

With N-Bromosuccinimide; Perbenzoic acid; DBN; iodine; In tetrahydrofuran; tetrachloromethane; benzene;

DOI:10.1021/jo00342a041

Reference yield:

C34H23BrO4 (79970-84-6) → trans-9,10-bis(benzoyloxy)-9,10-dihydrobenzopyrene (79970-85-7)

Guidance literature:

With DBN; In tetrahydrofuran; at 5 ℃; for 48h; Yield given;

DOI:10.1021/jo00342a041

Reference yield:

9,10-dihydrobenzo[a]pyren-(8H)-none (3331-46-2) → trans-9,10-bis(benzoyloxy)-9,10-dihydrobenzopyrene (79970-85-7)

Guidance literature:

Multi-step reaction with 5 steps

1: 1.) hydrazine hydrate, 2.) KOH / 1.) triethylene glycol, 110 deg C, 60 min, 2.) 140 deg C, 2 h

2: 66 percent Chromat_. / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) / benzene / 5 h / Ambient temperature

3: 62 percent / iodine / benzene / 4 h / Heating

4: N-bromosuccinimid (NBS), benzoyl peroxide / CCl₄ / 1.5 h / Heating

5: 1,5-diazabicyclo<4.3.0>non-5-ene (DBN) / tetrahydrofuran / 48 h / 5 °C

With potassium hydroxide; N-Bromosuccinimide; Perbenzoic acid; DBN; iodine; hydrazine hydrate; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In tetrahydrofuran; tetrachloromethane; benzene;

DOI:10.1021/jo00342a041

upstream raw materials:

C₃₄H₂₃BrO₄

7,8-dihydrobenzopyrene

9,10-dihydrobenzo[a]pyren-(8H)-none

7,8,9,10-tetrahydrobenzo[a]pyrene

Downstream raw materials:

trans-9,10-dihydroxy-9,10-dihydrobenzopyrene

Refernces