3.炔烃的加氢和还原 CHC=CCH+2H2 Pd或Ni或PtCH,CH,CH2CH HgC CH3 CHC=CCH3+H2 Pd-BaSO 或Pd-CaCO3 (Lindlar scatalyst) H H 顺式烯烃 3.炔烃的加氢和还原 CH3C≡CCH3＋H2 Pd－BaSO4 或Pd－CaCO3 (Lindlar’ scatalyst) H H3 C CH3 H 顺式烯烃 CH3C≡CCH3＋2H2 Pd或Ni或Pt CH3CH2CH2CH3