Reaction of Hydroxymethyl- and Alkyl-Substituted Azulenes with Manganese Dioxide
✍ Scribed by Reza-Ali Fallahpour; Rolf Sigrist; Hans-Jürgen Hansen
- Book ID
- 102859861
- Publisher
- John Wiley and Sons
- Year
- 1995
- Tongue
- German
- Weight
- 671 KB
- Volume
- 78
- Category
- Article
- ISSN
- 0018-019X
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✦ Synopsis
New address: lnstitut fur Anorganische Chemie der
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Recently, we succeeded in the isolation of a tricyclic intermediate of type 3 from the reaction mixture of 26 and ADM (cf Scheme 5 ) 131. (For heptalene skeleton, the C-atom numbering according to the IUPAC Recommendations, 1979 ('Blue Book'), is retained, in line with our previous communications.)
## Abstract 1‐(Bromoacetyl)‐3‐methylazulene **(1a)** and methyl 3‐(bromoacetyl)azulene‐1‐carboxylate **(1b)** reacted with thioamides **3a,b** and thioureas **3c,d** in boiling ethanol to give the corresponding (4‐thiazolyl)azulenes **4a‐d** and **5a‐d** in good yields, respectively. The reactions