14.2.2物理性质化学性质14.2.3酸性14.2.3.1CHSNa +H0CHSH +NaOH(RS)2Hg + H202RSH+HgO2RSH + Pb(OAc)2→Pb(SR)2+ 2HOAc
14.2.3 化学性质 14.2.2 物理性质 14.2.3.1 酸性 C2 H5 SH + NaOH C2 H5 SNa + H2 O 2RSH + HgO (RS) 2 Hg + H2 O 2RSH + Pb(OAc) 2 Pb(SR) 2 + 2HOAc
CH,-CH-CH,OH2+ Hg2+2CH-CH-CH,HgSHOHSHCH2HOCH,-CHBALBritishantilewisite
CH CH2 SH SH CH2 OH 2 + Hg 2+ S CH CH2 CH CH2OH S S Hg S HOCH2 CH2 BAL ——British antilewisite
14.2.3.2氧化反应2RSH +1/202-RSSR+2HICH.OH/H.ORSSH+2HIRSH +I225.0C强氧化剂RSHRSOH>RSO,H-RSOH加成14.2.3.3亲电加成(1)
14.2.3.2 氧化反应 2RSH +1/2O2 RSSR + 2HI RSH RSOH RSO2H RSO3H 强氧化剂 14.2.3.3 加成 (1) 亲电加成 RSH + I2 C2 H5 OH/H2 O 25 0 C RSSH+ 2HI
亲核加成(2)HIB-RSCH,CHCN+RSRSCHCHCNCH2=CH-CNCHCH,OCH3CH,CH.OC国CH3SHCH3SHCCH3CH,CH0H2OCHHRRTosOH+ H0+ HSCHCHSHC=0RR
(2) 亲核加成 CH2 CH CN + RS - RSCH2CHCN HB RSCH2CH2CN C R' R O + HSCH2 CH2 SH TosOH C S S R' R + H2O CH3 SH CH3 S - C C S H CH3CH2O CH3 CH3CH2OC CH H2O C C S H CH3CH2O H CH3
游离基加成(3)RHRR+R"S+R"SR"SCRHCHRHHHRR"SHR"SCRHCH,R'+R"S
(3) 游离基加成 C C R H H R' + R''S R''SCRHCHR' C C R H R' H +R''S R''SH R''SCRHCH2R' +R''S