𝔖 Bobbio Scriptorium
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A [4+1] cyclopentannulation route to ring a aromatic, C(1)-C(11) methano-bridged steroids

✍ Scribed by H. Künzer; G. Sauer; R. Wiechert


Book ID
108381509
Publisher
Elsevier Science
Year
1991
Tongue
French
Weight
155 KB
Volume
32
Category
Article
ISSN
0040-4039

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An expedient route to aromatic pyrrolo[2
✍ Frédéric Fabis; Jana Sopkova-de Oliveira Santos; Sandrine Fouchet-Jolivet; Sylva 📂 Article 📅 2001 🏛 Elsevier Science 🌐 French ⚖ 90 KB

## 2- Hydroxypyrrolo[2, 4 ]benzodiazepines were aromatised in refluxing thionyl chloride into 11-chloropyrrolo[2,1-c]- [1,4]benzodiazepines in high yield. This aromatic system is doubly reactive towards nucleophiles leading to rearranged products such as iminobenzoxazines and quinazolines.