An enantiospecific synthesis of (−)-2-pupukeanone via a rhodium carbenoid CH insertion reaction
✍ Scribed by A Srikrishna; P Ravi Kumar; Santosh J Gharpure
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- French
- Weight
- 85 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0040-4039
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📜 SIMILAR VOLUMES
A simple one-pot procedure is described for the preparation of spiro [4,4]nonane-2,7-dione derivatives from open chain bis(oc-diazoketones). The reactions proceed by an intramolecular Rh(II)carbenoid insertion into a methylene C-H bond yielding a cyclopentane which subsequently undergoes C-H methine
The rhodium catalysed C-H insertion reactions of o~-(triethylsilyl)diazoacetates have been studied, facilitating the stereoselective synthesis of t~-(triethylsilyl)-y-lactones. An intriguing 'and unprecedented inversion of stereoselectivity is observed upon changing from rhodium (It) carboxylates to
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2004 Hydroxycarboxylic acids (ether carboxylic acids) and esters Hydroxycarboxylic acids (ether carboxylic acids) and esters P 0280 Asymmetric Synthesis of Secondary Alcohols from Primary Alcohols via Intramolecular Carbenoid C-H Insertion Catalyzed by Rhodium(II) 3-Phenylcholestane-2-carboxylate.
A series of five-to eight-membered nitrogen-containing heterocycles were prepared via a general and efficient one-pot, two-component sequence featuring rhodium-catalyzed insertion of a vinyl-substituted