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Organic Synthesis
- 22. Alkylation of Carbanion CH 3 -OSO 2 F methyl fluorosulfonate oxirane (epoxide) CH 3 -OSO 2 O-CH 3 dimethyl sulfate (R-OTs) toluene-p-sulfonates (or tosylates) R-OSO 2 CH 3 (R-OMs) methanesulfnates (or mesylates) R-X alkyl halide Structure Alkylating agent
- 27. 4. Robinson annulation - a special class of Michael additions which lead to one six-membered ring fused to another