Chromium carbene complex photochemistry in organic synthesis
β Scribed by Louis S. Hegedus
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- French
- Weight
- 995 KB
- Volume
- 53
- Category
- Article
- ISSN
- 0040-4020
No coin nor oath required. For personal study only.
β¦ Synopsis
I. Introduction 2. Reactions 2.1, Cycloaddition reactions 2.1. a With imines to give [3-1actams 2.1. b With olefins to give cyclobutanones 2.1. c With azoarenes 2.1. d With aldehydes to produce [3-1actones 2,1. e Photochemical benzannulation reactions 2.2. Nucleophilic additions 2.1, a With ylides to form captodative allenes 2.1, b Formation of amino acids and peptides 2.3. Miscellaneous reactions 3. Conclusion
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Synthesis of 4-Alkyl-4-alkoxybutenolides Having Unsaturated Side Chains via Chromium Carbene Complex Photochemistry: (+)-Cerulenin. -The photochemical reaction of Cr alkoxycarbene complexes, e.g. (I), with optically active ene carbamates, e.g. (S)-(II), followed by Baeyer-Villinger oxidation of the