Browsing by Author "HSIA, KS"

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3-SUBSTITUTED 2-CYCLOPENTENONES FROM CYCLOPENTADIENES
(1993-12-01)
LIN, CC
;
HSIA, KS
;
WU, HJ
;
應用化學系
;
Department of Applied Chemistry
Oxidation of cyclopentadienes 1a-1j, which were prepared by alkylation of cyclopentadienyl anion with the corresponding alkyl bromides, with pyridinium chlorochromate (PCC) gave the 2-cyclopentenones 2a-2j respectively in 10-15% yields. Reaction of 3 and 5 with PCC gave the spiro compounds 4 and 6 respectively in 75-80% yields.
AN UNPRECEDENTED OXIDATION REACTION OF CYCLOPENTADIENE DERIVATIVES BY PYRIDINIUM CHLOROCHROMATE
(1988-06-01)
WU, HJ
;
PAN, K
;
HSIA, KS
;
LIU, WC
;
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