dimethyl (7aPM,12aMP)-8,12-diphenylbenzoheptalene-6,7-dicarboxylate

Base Information

• Chemical Name: dimethyl (7aPM,12aMP)-8,12-diphenylbenzoheptalene-6,7-dicarboxylate
• CAS No.: 153744-45-7
• Molecular Formula: C₃₂H₂₄O₄
• Molecular Weight: 472.54

Synonyms:

Chemical Property of dimethyl (7aPM,12aMP)-8,12-diphenylbenzoheptalene-6,7-dicarboxylate

Chemical Property:

Purity/Quality:

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Technology Process of dimethyl (7aPM,12aMP)-8,12-diphenylbenzoheptalene-6,7-dicarboxylate

There total 4 articles about dimethyl (7aPM,12aMP)-8,12-diphenylbenzoheptalene-6,7-dicarboxylate 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: 91.0%

6,10-diphenylbenzazulene (31907-11-6) + dimethyl acetylenedicarboxylate (762-42-5) → dimethyl (7aPM,12aMP)-8,12-diphenylbenzoheptalene-6,7-dicarboxylate (153744-45-7,153744-46-8,169527-53-1)

Guidance literature:

6,10-diphenylbenzazulene; dimethyl acetylenedicarboxylate; hydridotetakis(triphenylphosphine)rhodium(I); In acetonitrile; at 100 ℃; for 18h;

In N,N-dimethyl-formamide; at 150 ℃; for 1h;

DOI:10.1002/(SICI)1522-2675(19991215)82:12<2274::AID-HLCA2274>3.0.CO;2-9

Reference yield: 40.0%

6,10-diphenylbenzazulene (31907-11-6) + dimethyl acetylenedicarboxylate (762-42-5) → dimethyl (1RS,8RS)-2,6-diphenyl-9,10-benzotricyclo<6.2.2.2.01,7>dodeca-2,4,6,9,11-pentaene-11,12-dicarboxylate (169527-52-0) + dimethyl (7aPM,12aMP)-8,12-diphenylbenzoheptalene-6,7-dicarboxylate (153744-45-7,153744-46-8,169527-53-1) + dimethyl (9aS*,10R*)-9a,10-etheno-5,9-diphenyl-10H-benz[a]azulene-11,12-dicarboxylate + dimethyl (2R*,2aS*)-2,2a-dihydro-2a,6-diphenylbenzo[a]cyclopent[c,d]azulene-1,2-dicarboxylate

Guidance literature:

dihydridotetrakis(triphenylphosphine)ruthenium; In acetonitrile; at 100 ℃; for 18h; Further byproducts given;

DOI:10.1002/(SICI)1522-2675(19991215)82:12<2274::AID-HLCA2274>3.0.CO;2-9

Reference yield: 14.0%

6,10-diphenylbenzazulene (31907-11-6) + dimethyl acetylenedicarboxylate (762-42-5) → dimethyl (7aPM,12aMP)-8,12-diphenylbenzoheptalene-6,7-dicarboxylate (153744-45-7,153744-46-8,169527-53-1) + dimethyl (4bSR,10RS)-5,9-diphenyl-4b,10-etheno-1-h-benzazulene-11,12-dicarboxylate

Guidance literature:

In carbon dioxide; at 100 ℃; for 15h; under 112509 Torr;

DOI:10.1002/hlca.19950780322

upstream raw materials:

6,10-diphenylbenzazulene

dimethyl acetylenedicarboxylate

Downstream raw materials:

8,12-diphenylbenzoheptalene-6,7-dimethanol

1,4,6,7-bis(chloromethyl)-8,12-diphenylbenzo[a]heptalene

8-chloro-1,5-diphenylbenzo[4,5]heptaleno[1,2-e][1,3,2]dioxaphosphepin 3-oxide

8,12-diphenylbenzo[a]heptalene-6,7-dimethyl bis(methanesulfonate)

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