The document discusses carbohydrates and monosaccharides. It describes the classification of monosaccharides as aldosas or ketoses. Aldosas are further classified based on the number of carbon atoms they contain. Three-carbon aldosas include glyceraldehyde, while four-carbon aldosas include four stereoisomers known as diastereomers. The document also mentions the importance of carbohydrates as they are essential for life and have many industrial applications.
24. Introducción
Son polihidroxi aldehídos o cetonas o
compuestos que conducen a ellos por
hidrólisis y sus derivados.
Se denominan Hidratos de carbono por
responder muchos de ellos a la formula
empírica:
C (H2O)n
25. Se producen en la fotosíntesis.
Las plantas verdes contienen clorofila que
capta de la luz solar la energía necesaria
para realizar el proceso:
6 CO2 + H2O
C6(H2O)6 + 6 O2
26.
27. CLASIFICACIÓN
C
a Aldosas
r Monosacárid
b os
Azúcare Cetosas
o
h s
-2 Di
i Oligosacárid
-3 Tri
d os
r -4 tetr
a -5 pent
t Polisacárid
-6 Hex
o os
-7 Hept
s
28. IMPORTANCIA
- Como principios inmediatos son soportes de la
vida
Alimento Cultura Alcohol
- Casa Higiene Medicina
Proporcionan:
Vestido Comodidad Decoración
- Muchas Polímero Furfural Políesteres
aplicaciones s
Sintesis Conserva Farmacia
en la industria
Química Quiral Celulosa Bebidas
30. MONOSACARIDOS: ALDOSAS
1 1033 3122 3425]
Cuatro carbonos: Aldotetrosas
1201952 134580 2580 DSt [13 II 1952 17144370 [1 504370 1952 20DSt [131952 2416 DSt [3 [14370
3122 2580 4352 3125]
1822 2606 3845 3105]
4513 2756 4921 1904]
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4552 1878 1952 2416]
1796 2086 4370 1714]
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dDSt59 50 4882 2606]
dL [14 I I 1453 2580] gr 1 1796 2047 2464 2455]
26062095 1345 1952 2416]
]d end DSt Db 4370 1714]
[1 gs 1952 [12 2464 40 DSt [2
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SP 4552 2086 1427 1878]
2 4214 1878 4921 1904]
3122 2606 1453 2580]
1822 2756 4882 2606]
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4352 1904 3845 3105]
1 2580 3122 3425]
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Enantiómeros Enantiómeros
CHO CHO CHO CHO
H C OH HO C H HO C H H C OH
H C OH HO C H H C OH HO C H
CH 2 O H CH 2 O H CH2 OH CH2 OH
current point 192837465 current po
D-eritrosa L-eritrosa D-treosa L-treosa
DIASTEROISOMEROS
31. MONOSACARIDOS: ALDOSAS
1 1033 3122 3425]
Cuatro carbonos: Aldotetrosas
1201952 134580 2580 DSt [13 II 1952 17144370 [1 504370 1952 20DSt [131952 2416 DSt [3 [14370
3122 2580 4352 3125]
1822 2606 3845 3105]
4513 2756 4921 1904]
4352 2736 1427 1878]
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1796 2086 4370 1714]
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dL [14 I I 1453 2580] gr 1 1796 2047 2464 2455]
26062095 1345 1952 2416]
]d end DSt Db 4370 1714]
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3122 2606 1453 2580]
1822 2756 4882 2606]
4513 2736 4352 3125]
4352 1904 3845 3105]
1 2580 3122 3425]
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MONOSACARIDOS: ALDOSAS
Cinco carbonos: Aldopentosas
D-eritrosa D-treosa
C HO CHO
CHO CHO
OH HO C H
HO C H H C
H C OH
H C OH HO C H HO C H
H C OH
H C OH H C OH H C OH
H C OH
CH2OH
CH2OH currentpoint C H OH
currentpoint 192837465 192837465
2 current pointOH
CH curren
19283746
2
D-ribosa D-arabinosa D-xilosa D-lixosa
33. MONOSACARIDOS: ALDOSAS
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864 4641 1169 1 3145 3470 2727 3775]
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742 3349 742[1 4641] 3961 3145 3961]
633 4770 328/bs[[1I20746 3075 DSt 20
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Seis carbonos: Aldohexosas
D-ribosa D-arabinosa
CHO CHO CHO CHO
H C OH HO C H H C OH HO C H
H C OH H C OH HO C H HO C H
H C OH H C OH H C OH H C OH
H C OH H C OH H C OH H C OH
CH2OH currentpoint 192837465
CH2 OH current pointCH2OH
192837465
currentpoint 192837465
CH2OH currentpoint
D-alosa D-altrosa D-glucosa D-manosa
34. Monosacáridos Estructura
5022 5038]
5034 3995]
5858 4477]
5458 2460] MONOSACARIDOS: ALDOSAS
5030 2662] 78423095 DSt 3759]
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5044 Db 161 chemdict7406 3962]
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Seis carbonos: Aldohexosas
D-xilosa D-lixosa
C HO
C HO CHO
C HO
H C OH
HO C H OH HO C H
H C
H C OH HO H
H C OH C
HO C H
HO C H
HO C H HO C H
HO C H
H C OH
H C OH H C OH
H C OH
C H 2OH current point 192837465
C H OH C H OH
current po
current pointC 192837465 point 192837465
2 H OH
2 current 2
D-gulosa D-idosa D-galactosa D-talosa
36. Monosacáridos Estructura
MONOSACARIDOS: CETOSAS
Cuatro carbonos: Cetotetrosas
CH2 OH CH2 OH
C O C O
H C OH HO C H
CH2 OH CH2 OH
D-eritrulosa L-eritrulosa
37. Monosacáridos Estructura
MONOSACARIDOS: CETOSAS
Cinco carbonos:
Cetopentosas
CH2OH CH2OH
C O C O
H C OH HO C H
H C OH H C OH
CH2OH CH2OH
D-ribulosa D-xilulosa
38. Monosacáridos Estructura
MONOSACARIDOS: CETOSAS
Cinco carbonos:
Cetopentosas
CH2OH CH2OH CH2OH CH2OH
C O C O C O C O
H C OH HO C H H C OH HO C H
H C OH H C OH HO C H HO C H
H C OH H C OH H C OH H C OH
CH2OH CH2OH CH2OH CH2OH
D-psicosa D-fructosa D-Sorbosa D-tagatosa
D-ribulosa D-xilulosa
39. MONOSACARIDOS: CICLOS
OH
H O
C + R OH H C OR
R´ R´
Aldehido + Alcohol Hemiacetal
OH
R´ O
C + R OH R´ C OR
R´ R´
Cetona + Alcohol Hemicetal
40. Monosacáridos Estructura
MONOSACARIDOS: CICLOS
H O
HO C H H C OH
C
H C OH H C OH
H C OH O
O HO C H
HO C H HO C H
H C OH H C OH
H C OH
H C H C
H C OH
CH2OH CH2OH
CH 2OH
b-D-glucopiranosa D-glucosa a-D-glucopiranosa
Anillo de 6 miembros Como el del pirano
O
piranosas
41. Monosacáridos Estructura
MONOSACARIDOS: CICLOS
HOCH 2 O
HO C CH2OH HOCH2 C OH
C
HO C H O HO C H O
HO C H
H C OH H C OH
H C OH
H C
H C
H C OH CH2OH
CH2OH
CH 2OH
b-D-fructofuranosa D-fructosa a-D-fructofuranosa
Anillo de 5 miembros Como el del furano
O
furanosas
42. Monosacáridos Estructura
MONOSACARIDOS: CICLOS
CH2OH
HO C H O
H C OH H H OH
O
HO C H OH H H
HO
H C OH
H C H OH
CH2OH
Estructura en proyección deEstructura en proyección de
Fischer Haworth
43. Monosacáridos Estructura
MONOSACARIDOS: CICLOS
CH2OH
HO C H O
H C OH H H OH
O
HO C H
OH H H
HO
H C OH
HOCH2 C H OH
H
Estructura en proyección deEstructura en proyección de
Fischer Haworth
Una permutación
Inversión en C5