## Abstract The synthesis of isoindolo[2,1‐__b__]pyrrolo[1,2‐__d__][2,4]benzodiazocine 7 and isoindolo[1,2‐__d__]pyrrolo[1,2‐__a__]‐[1,5]benzodiazocine 13 are described starting from 2‐(2‐methoxycarbonyl)benzylphthalimide 1a and ethyl α‐bromohomophthalate 9 respectively.
Synthesis of the novel pyrrolo[2,1-d][1,2,5]benzotriazepine, pyrrolo[2,1-e][1,3,6]benzotriazocine and pyrrolo[1,2-a]tetrazolo[1,5-d][1,4]benzodiazepine ring systems. A new route to pyrrolo[1,2-a]quinoxaline via transamination of in situ generated 1-(2-aminophenyl)-2-iminomethylpyrroles
✍ Scribed by Demetrios Korakas; Athanasios Kimbaris; George Varvounis
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- French
- Weight
- 476 KB
- Volume
- 52
- Category
- Article
- ISSN
- 0040-4020
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📜 SIMILAR VOLUMES
## Abstract Derivatives of the new ring system pyrrolo[3,4‐__e__][1,2,3] triazolo[1,5‐__a__]pyrimidine **6** were prepared in high yields in one step by reaction of 3‐azidopyrrole **3** and substituted acetonitriles. Compound **6b** rearranged, upon heating in dimethyl sulfoxide in the presence of
## Abstract Fused tricyclic 7‐phenyl‐5__H__‐thizolo[5,4‐__e__]pyrrolo[1,2‐__a__][1,4]diazepin‐10(9__H__)one (**10**) was prepared by thermolysis of 2‐phenyl‐4‐(1‐pyrrolylmethyl)thiazole‐5‐carbonyl azide (**9**) in acetic acid. In addition, starting from **10**, 7‐phenyl‐5__H__‐thiazolo [5,4‐__e__][
a-Keto acid derivatives are versatile intermediates in organic synthesis. Previously, we have described several methodologies for the synthesis of these compounds, including cyanation of acyl chlorides, cyanocarbonylation of organic iodides, and double carbonylation of organic halides in the presenc