作者:Francesco Risitano、Giovanni Grassi、Francesco Foti、Giuseppe Bruno、Archimede Rotondo
DOI:10.3987/com-02-9694
日期:——
Spiroindolinonisoxazolines (4 and 5h) are prepared from (E)-1 or (Z)-3-arylidene-2-oxindoles (2) by nitrile oxide cycloaddition reactions. Only one regioisomer is detected in all cases, and the observed complete diastereoselection is established by unambigous structural assignments.