One fragment of. this type,@-phenoxyethyl iodide, was found by Stork and McElvain5 to be insufficiently reactive to alkylate I, although benzyl chloride and ethyl iodide reacted smoothly, the latter leading to a successful synthesis of cincholoipon.@-Dimethylaminoethyl chloride (11) seemed promising as a very reactive halide which is reported to give C- alkylation with acetoacetic ester6 and with 2-carbethoxycyclohexanone7 and is closely
