Preparation of oxetanes by 4-endo trig electrophilic cyclisations of cinnamic alcohols

Author:

Albert Sébastien,Robin Sylvie,Rousseau Gérard

Publisher

Elsevier BV

Subject

Organic Chemistry,Drug Discovery,Biochemistry

Reference9 articles.

1. 4-Endo-Trig Cyclization Processes Using Bis(collidine)bromine(I) Hexafluorophosphate as Reagent:  Preparation of 2-Oxetanones, 2-Azetidinones, and Oxetanes

2. See for example: Searles, S. In Comprehensive Heterocyclic Chemistry; Katrisky, A. R.; Rees, C. W., Eds.; Pergamon Press: New York, 1984; Vol. 7 pp. 363–402.

3. General procedure: To a solution of alcohol (2 mmol) in methylene chloride (20 mL) was added over 6 h at rt a methylene chloride solution (60 mL) of bis(collidine)bromine(I) hexafluorophosphate (2.6 mmol).7 After stirring for 30 min, the solvent was removed and the residue purified by chromatography over silica gel (hexane/ether).

4. Reaktionen an 16‐Methylen‐ und 16‐Hydroxymethylen‐17‐Keto‐steroiden

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