高中化学能发生水解反应的哪些有机物

2025-03-26 06:34:17
推荐回答(3个)
回答1:

卤化物的水解
通常用氢氧化钠水溶液作水解剂
R—X+H2O-─→R—OH+HX
Ar—X+2H2O─→Ar—OH+HX+H2O式中R、Ar、X分别表示烷基、芳基、卤素。脂链上的卤素一般比较活泼,可在较温和的条件下水解,如从氯苄制苯甲醇;芳环上的卤素被邻位或对位硝基活化时,水解较易进行,如从对硝基氯苯制对硝基酚钠。
酯的水解
油脂在酸或碱催化条件下可以水解.
① 酸性条件下的水解
在酸性条件下水解为甘油(丙三醇) 高级脂肪酸.
C17H35COO-CH2 CH2-OH
C17H35COO-CH +3H2O ==== CH-OH + 3C17H35COOH
C17H35COO-CH2 CH2-OH
② 碱性条件下的水解
在碱性条件下水解为甘油 高级脂肪酸盐.
C17H35COO-CH2 CH2OH
C17H35COO-CH +3NaOH ==== CH2OH + 3C17H35COONa
C17H35COO-CH2 CH2OH
两种水解都会产生甘油.
油脂在碱性条件下的水解反应称为皂化反应.
工业上就是利用油脂的皂化反应制取肥皂.
低碳烯烃与浓硫酸作用所得烷基硫酸酯,经加酸水解可得低碳醇。
淀粉/纤维素水解
(C6H10O5)n(淀粉/纤维素)+nH2O→nC6H12O6(葡萄糖)
蔗糖水解
C12H22O11(蔗糖)+H2O→C6H12O6(果糖)+C6H12O6(葡萄糖)
麦芽糖水解
C12H22O11(麦芽糖)+H2O→2C6H12O6(葡萄糖)

回答2:

典型类bai型:
卤化物的水解
通常用氢氧化钠水溶液作水解剂du,反应通式zhi如下:
R—X+H2O-─→R—OH+HX
Ar—X+2H2O─→Ar—OH+HX+H2O式中daoR、Ar、X分别表示烷基、芳基、卤素。脂链上的卤素一般比较活泼,可在较温和的条件下水解,如从氯苄制苯甲醇;芳环上的卤素被邻位或对位硝基活化时,水解较易进行,如从对硝基氯苯制对硝基酚钠。
酯的水解
油脂在酸或碱催化条件下可以水解.
① 酸性条件下的水解
在酸性条件下水解为甘油(丙三醇) 高级脂肪酸.
C17H35COO-CH2 CH2-OH
C17H35COO-CH +3H2O ==== CH-OH + 3C17H35COOH
C17H35COO-CH2 CH2-OH
② 碱性条件下的水解
在碱性条件下水解为甘油 高级脂肪酸盐.
C17H35COO-CH2 CH2OH
C17H35COO-CH +3NaOH ==== CH2OH + 3C17H35COONa
C17H35COO-CH2 CH2OH
两种水解都会产生甘油.
油脂在碱性条件下的水解反应称为皂化反应.
工业上就是利用油脂的皂化反应制取肥皂.
低碳烯烃与浓硫酸作用所得烷基硫酸酯,经加酸水解可得低碳醇。
淀粉/纤维素水解
(C6H10O5)n(淀粉/纤维素)+nH2O→nC6H12O6(葡萄糖)
蔗糖水解
C12H22O11(蔗糖)+H2O→C6H12O6(果糖)+C6H12O6(葡萄糖)
麦芽糖水解
C12H22O11(麦芽糖)+H2O→2C6H12O6(葡萄糖)
芳磺酸盐的水解
通常不易进行,须先经碱熔,即以熔融的氢氧化钠在高温下与芳磺酸钠作用生成酚钠,后者可通过加酸水解生成酚。如萘-2-磺酸钠在300~340℃常压碱熔后水解而得2-萘酚。某些芳磺酸盐还需用氢氧化钠和氢氧化钾的混合碱作为碱熔的反应剂。芳磺酸盐较活泼时可用氢氧化钠水溶液在较低温度下进行碱熔。
胺的水解
脂胺和芳胺一般不易水解。芳伯胺通常要先在稀硫酸中重氮化生成重氮盐,再加热使重氮盐水解。反应通式如下:
Ar—NH2+NaNO2+2H2SO4
─→Ar—N+2HSO-4+NaHSO4+2H2O
Ar—N+2HSO4+H2O─→ArOH+H2SO4+N2
如从邻氨基苯甲醚制邻羟基苯甲醚(愈创木酚)。芳环上的氨基直接水解,主要用于制备1-萘酚衍生物因它们有时不易用其他合成路线制得。根据芳伯胺的结构可用加碱水解、加酸水解或亚硫酸氢钠水溶液水解。如从1-萘胺-5-磺酸制1-萘酚-5-磺酸便是用亚硫酸氢钠水解。

回答3:

典型类型:
卤化物的水解
通常用氢氧化钠水溶液作水解剂,反应通式如下:
R—X+H2O-─→R—OH+HX
Ar—X+2H2O─→Ar—OH+HX+H2O式中R、Ar、X分别表示烷基、芳基、卤素。脂链上的卤素一般比较活泼,可在较温和的条件下水解,如从氯苄制苯甲醇;芳环上的卤素被邻位或对位硝基活化时,水解较易进行,如从对硝基氯苯制对硝基酚钠。
酯的水解
油脂在酸或碱催化条件下可以水解.
① 酸性条件下的水解
在酸性条件下水解为甘油(丙三醇) 高级脂肪酸.
C17H35COO-CH2 CH2-OH
C17H35COO-CH +3H2O ==== CH-OH + 3C17H35COOH
C17H35COO-CH2 CH2-OH
② 碱性条件下的水解
在碱性条件下水解为甘油 高级脂肪酸盐.
C17H35COO-CH2 CH2OH
C17H35COO-CH +3NaOH ==== CH2OH + 3C17H35COONa
C17H35COO-CH2 CH2OH
两种水解都会产生甘油.
油脂在碱性条件下的水解反应称为皂化反应.
工业上就是利用油脂的皂化反应制取肥皂.
低碳烯烃与浓硫酸作用所得烷基硫酸酯,经加酸水解可得低碳醇。
淀粉/纤维素水解
(C6H10O5)n(淀粉/纤维素)+nH2O→nC6H12O6(葡萄糖)
蔗糖水解
C12H22O11(蔗糖)+H2O→C6H12O6(果糖)+C6H12O6(葡萄糖)
麦芽糖水解
C12H22O11(麦芽糖)+H2O→2C6H12O6(葡萄糖)
芳磺酸盐的水解
通常不易进行,须先经碱熔,即以熔融的氢氧化钠在高温下与芳磺酸钠作用生成酚钠,后者可通过加酸水解生成酚。如萘-2-磺酸钠在300~340℃常压碱熔后水解而得2-萘酚。某些芳磺酸盐还需用氢氧化钠和氢氧化钾的混合碱作为碱熔的反应剂。芳磺酸盐较活泼时可用氢氧化钠水溶液在较低温度下进行碱熔。
胺的水解
脂胺和芳胺一般不易水解。芳伯胺通常要先在稀硫酸中重氮化生成重氮盐,再加热使重氮盐水解。反应通式如下:
Ar—NH2+NaNO2+2H2SO4
─→Ar—N+2HSO-4+NaHSO4+2H2O
Ar—N+2HSO4+H2O─→ArOH+H2SO4+N2
如从邻氨基苯甲醚制邻羟基苯甲醚(愈创木酚)。芳环上的氨基直接水解,主要用于制备1-萘酚衍生物因它们有时不易用其他合成路线制得。根据芳伯胺的结构可用加碱水解、加酸水解或亚硫酸氢钠水溶液水解。如从1-萘胺-5-磺酸制1-萘酚-5-磺酸便是用亚硫酸氢钠水解。

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