Mittal, R. S. D. ; Sethi, S. C. ; Sukh Dev, (1973) Azulenes and related substances-XV: Azuleno[2,1-a]azulene (Part 1): Reaction of 3,6,7,8-tetrahydrodibenzopentalene with diazomethane; synthesis of 11H-indeno[2,1-a]azulene Tetrahedron, 29 (10). pp. 1321-1325. ISSN 0040-4020
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0040-4020(01)83151-3
Abstract
In an attempt to synthesise azuleno[2,1-a]azulene (1), Cu+ ion-catalysed reaction of diazomethane with 3,6,7,8-tetrahydrodibenzopentalene (4) has been investigated. Addition occurred to only one of the aromatic rings to give chiefly 1,2-benzo-4,5-cycloheptatrieno-3,6,7,8-tetrahydropentalene (13/14). Dehydrogenation of 13/14 to 11H-indeno[2.1-a]azulene has been carried out.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 59151 |
| Deposited On: | 03 Sep 2011 11:46 |
| Last Modified: | 03 Sep 2011 11:46 |
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