Within any class of substituted aromatic acid or base it is usually found that the acidic dissociation constant will vary in much the same way as that of the corresponding derivative in any other class. In most cases, these changes in acid strength, p K a , produced by a substituent in ...
2. Acidic amides 3. Acids of aromatic NH 4. Thioacids 5. Carboacids 6. Amines 7. Bases of aromatic N 8. N-oxides 9. Thiones 10. Carbobases (protonable C in certain π-excessive rings) 图1:S+pKa版本11.0的模型不...
18. Aromaticity2h 34m Aromaticity 8m Huckel's Rule 10m Pi Electrons 7m Aromatic Hydrocarbons 18m Annulene 17m Aromatic Heterocycles 20m Frost Circle 17m Naming Benzene Rings 13m Acidity of Aromatic Hydrocarbons 10m Basicity of Aromatic Heterocycles ...
Aromatic7, 8Quinoline27 Phenols9Quinazoline27 Alcohols and oxygen acids10, 11Quinoxaline27 Amino Acids12Special Nitrogen Compounds28 Peptides13Hydroxylamines28 Nitrogen Compounds14Hydrazines28 Aliphatic amines15, 17, 19Semicarbazones28 Cyanoamines16Amidoximes28 Anilines17, 18, 20Thiols29 Nucleosides21...
Williams pKa Values INDEX Inorganic Phosphates Carboxylic acids Aliphatic Aromatic Phenols Alcohols and oxygen acids Amino Acids Peptides Nitrogen Compounds Aliphatic amines Cyanoamines Anilines Nucleosides Special Table Heterocycles Acridine Benzoquinoline Cinnoline Hydantoin Imidazole 2 3 4, 8 4, 8 7, 8...
Williamspage-1pKa ValuesINDEXInorganic2Phenazine24Phosphates3Pyrid ine25Carboxylic acids4, 8Pyraz ine26Aliphatic4, 8Aromatic7, 8Qui noli ne27Phe nols9Quin azoli ne27Alcohols and oxyge n acids10, 11Quino xali ne27Ami no Acids12Special Nitroge n Compo unds28Peptides13Hydroxylam 2、i nes...
Basicity of Amines And pKaH Nucleophilic Acyl Substitution (With Negatively Charged Nucleophiles) What makes a good leaving group? Five Key Factors That Influence Acidity Note 1. The limit to using water as solvent for pKa measurements is the levelling effect. That is, no base can exist that ...
pKa Data Compiled by R. Williams 1 pKa Values INDEX Inorganic 2 Phenazine 24 Phosphates 3 Pyridine 25 Carboxylic acids 4, 8 Pyrazine 26 Aliphatic 4, 8 Aromatic 7, 8 Quinoline 27 Phenols 9 Quinazoline 27 Alcohols and oxygen acids 10, 11 Quinoxaline 27 Amino Acids 12 Special Nitrogen Compounds...
Aromatic7, 8Quinoline27 Phenols9Quinazoline27 Alcohols and oxygen acids10, 11Quinoxaline27 Amino Acids12Special Nitrogen Compounds28 Peptides13Hydroxylamines28 Nitrogen Compounds14Hydrazines28 Aliphatic amines15, 17, 19Semicarbazones28 Cyanoamines16Amidoximes28 Anilines17, 18, 20Thiols29 Nucleosides21...
Aromatic7,8Quinoline27 Phenols9Quinazoline27 Alcoholsandoxygenacids10,11Quinoxaline27AminoAcids12SpecialNitrogenCompounds28Peptides13Hydroxylamines28NitrogenCompounds14Hydrazines28Aliphaticamines15(17)19Semicarbazones28Cyanoamines16Amidoximes28 Anilines17(18)20Thiols29 ...