... -2R2c = o + h 2o + HIO, L LH H R2C CR2 + Pb(OCOCH3)4 R2C= + CH3COOH + Pb(OCOCH3 )2 OH OH *Phn ng oxi hoỏ 1 ,2 - iol bng H I0 xy qua este peioic dng vũng: o R ,ct-CR 2R2C = + HIO R2C CR2 + ... 2C 02 + Ca(OH )2 -> C a (H C 3 )2 (2) m binh tng = m C0, +m H:0 un núng nc lc li th u c k t t a chng t cú (2) vỡ: C a ( H C 3) C a C 3i + C 2t + H 20 (3) (l)'t2)' (3)- - Z > e O ... PTP: o (CH 3 )2 CH C H N + NaOH CH 14-m s c h v b t h h u c (CH 3) 2CH c n / ch3 â Na â + H20 m o 99 hno2 CH, (C) CH3 (CH3)2CH CH N 2- ớ^ t ( C H 3 )2 CH CH NH2 CH3 CH, (B) c h 3c h 2- c c h...