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Heterocyclic Spiro-naphthalenones. Part V. Synthesis of Some 2-Benzazepines from 3,4-Dihydrospiro [furan-2-(5H), 1′(2′H)-naphthalene]-2,5-dione

✍ Scribed by Daniel Berney; Karlheinz Schuh

Publisher
John Wiley and Sons
Year
1980
Tongue
German
Weight
179 KB
Volume
63
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Compound 2 was rearranged on treatment with 2N NaOH to the 2‐benzazepine‐3‐propanoicSee footnote (5) of the preceding paper.

acid 3. Some aspects of the chemistry of this acid were studied.

📜 SIMILAR VOLUMES

Heterocyclic spiro-naphthalenones. Part
Heterocyclic spiro-naphthalenones. Part IV. Synthesis of some 3,4-dihydrospiro [naphthalene-2(1H),2′-pyrrolidine]-1-ols from 3,4-dihydrospiro [furan-2(5H),1′(2′H)-naphthalene]-2′,5-dione
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## Abstract The spiro‐lactone **3** was obtained by __N__‐bromosuccinimide (NBS) oxidation of the carboxylate **2** at − 20°. When **2** was oxidized at 10° the spiro‐lactone **4** was the main product. Compound **4** was rearranged with triethylamine to the spiro‐lactone **9** whereas the stereois

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✍ Daniel Berney; Karlheinz Schuh 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 German ⚖ 379 KB

## Abstract The spirolactam **5** was reduced to the spiro[naphthalene, pyrrolidine] **7** which was __N__‐aralkylated to give **9** and **17**. Cyclization of **9** gave the phenanthridines **10** and **11**; similarly, **17** afforded the 7‐ and 8‐membered heterocycles **18** and **19**. Compound

ChemInform Abstract: Preparation of Spir
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v