lí thuyết hoá học phần cacbonhiđrat

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lí thuyết hoá học phần cacbonhiđrat

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Gv: Hà Thành Trung 1 Bài 14: CACBOHIDRAT (GLUXIT)   C n (H 2 O) m  Monosaccarit :    mantozo. Polisaccarit :   A- GLUCOZO  C 6 H 12 O 6 M = 180  -  -   CH 2 OH-[CHOH] 4 -CH=O Tn ti ch yu  dng mch vòng :    và     CH 3 OH/HCl     2  2C 6 H 12 O 6 + Cu(OH) 2  (C 6 H 11 O 6 ) 2 Cu + 2H 2 O   C 6 H 12 O 6 + 5(CH 3 CO) 2  6 H 7 O(OCOCH 3 ) 5 + 5CH 3 COOH    2 /Ni,t o : CH 2 OH[CHOH] 4 CHO + H 2      CH 2 OH[CHOH] 4 CH 2 OH Sobit / Sorbitol Gv: Hà Thành Trung 2   3 trong NH 3 : CH 2 OH[CHOH] 4 CHO + 2AgNO 3 +3NH 3 + H 2  2 OH[CHOH] 4 COONH 4 + 2Ag + 2NH 4 NO 3 Amoni gluconat    2 : CH 2 OH[CHOH] 4 CHO + Br 2  2 OH[CHOH] 4 COOH + HBr    2  CH 2 OH[CHOH] 4 CHO + Cu(OH) 2  2 OH[CHOH] 4 COONa + Cu 2 O + 3H 2 O Natri gluconat   C 6 H 12 O 6              2C 2 H 5 OH + 2CO 2 C 6 H 12 O 6          2CH 3 -CH(OH)-COOH axit lactic (C 6 H 10 O 5 ) n + nH 2 O     nC 6 H 12 O 6     FRUCTOZO CTCT CH 2  CH  CH  CH  C  CH 2 OH OH OH OH O OH  Fructozo      Glucozo  2 Gv: Hà Thành Trung 3 B-  I. Saccarozo : C 12 H 22 O 11 mía)    Gm 1 nhóm    và 1 nhóm    O  không   Không có p tráng bc, không tham gia p vi dd Br 2  Không kh Cu(OH) 2    2  2C 12 H 22 O 11 + Cu(OH) 2  (C 12 H 21 O 11 ) 2 Cu + 2H 2 O   2  2 .  C 12 H 22 O 11 sacarozo + H 2 O     C 6 H 12 O 6 glucozo + C 6 H 12 O 6 fructozo    MANTOZO Gm 2 gc       tham   C 12 H 22 O 11 mantozo + H 2 O     2C 6 H 12 O 6 glucozo     Gv: Hà Thành Trung 4  Gm nhiu gc        (C 6 H 10 O 5 ) n + nH 2 O     nC 6 H 12 O 6 glucozo   2  có màu xanh tím   III. Xenlulozo :   trong dd Svayde [ Cu(OH) 2 + NH 3 ]  Gm nhiu gc        (C 6 H 10 O 5 ) n + nH 2 O     nC 6 H 12 O 6 glucozo   [C 6 H 7 O 2 (OH) 3 ] n + 2nHNO 3            [C 6 H 7 O 2 (ONO 2 ) 2 OH] n + 2n H 2 O  [C 6 H 7 O 2 (OH) 3 ] n + 3nHNO 3            [C 6 H 7 O 2 (ONO 2 ) 3 ] n + 3n H 2 O Xenlulozo trinitrat   [C 6 H 7 O 2 (OH) 3 ] n + 2n(CH 3 CO) 2 O            [C 6 H 7 O 2 (OCOCH 3 ) 2 OH] n + 2nCH 3 COOH  [C 6 H 7 O 2 (OH) 3 ] n + 3n(CH 3 CO) 2 O            [C 6 H 7 O 2 (OCOCH 3 ) 3 ] n + 3n CH 3 COOH Xenlulozo triaxetat /c 

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