Hypervalent iodine oxidation of some 2,4-dihydroxyacetophenones with iodobenzene diacetate potassium hydroxide in methanol : A novel route to 2-hydroxy-3-iodo-4-phenoxyacetophenones
作者:Om Prakash、Madan P. Tanwar、Seema Goyal、Saroj Pahuja
DOI:10.1016/s0040-4039(00)79031-9
日期:1992.10
Hypervalent iodine oxidation of some 2,4-dihydroxyacetophenones (2a–d) with C6H5I (OAc)2 -KOH/MeOH providing a novel route to 2-hydroxy-3-iodo-4-phenoxyacetophenones (3a–d)via the rearrangement of iodonium ylides is reported.
用C 6 H 5 I(OAc)2 -KOH / MeOH氧化某些2,4-二羟基苯乙酮(2a–d)的高价碘,为2-羟基-3-碘-4-苯氧基苯乙酮(3a–d)提供了一条新途径通过碘鎓碘化物的重排被报道。
Hypervalent iodine oxidation of α-substituted 2,4-dihydroxyacetophenones: synthesis of novel <i>o</i>-iodophenoxy ethers via rearrangement of iodonium ylides
作者:Om Prakash、Vijay Sharma、Madan P Tanwar
DOI:10.1139/v99-097
日期:1999.7.1
at reflux temperature, to afford novel o-iodophenoxy ethers (4a-4i) via rearrangement of respective iodoniumylides (5a-5i). Key words: hypervalentiodine reagents, phenyliodonium diacetate, α-substituted 2,4-dihydroxyacetophenones, α-substituted 2-hydroxy-3-iodo-4-phenoxyacetophenones, iodoniumylides rearrangement