4.4.5炔烃的氧化 KMn0,(冷，稀，H20,PH7-5) KMnO4(H,0,100C) RCOOH+R'COOH KMn04(H0,25C) RC=CR' RCOOH+R'COOH (①0，(2)H,0,Zm RCOOH+R'COOH (>c-c心3Bo0 R≥c-c<0n-CH,心