
Journal of the Chemical Society. Chemical communications p. 418 - 420 (1990)
Update date:2022-08-04
Topics:
Kido, Fusao
Sinha, Subhash C.
Abiko, Toshiya
Watanabe, Masataka
Yoshikoshi, Akira
Treatment of the α-diazomalonate (6) with Rh2(OAc)4 stereoselectively provided substituted valerolactones (7) and (7') via the <2,3>sigmatropic rearrangement of a nine-membered cyclic allylsulphonium ylide; the rearrangement product was converted to 5-alk
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