pKa-values of phenols and aromatic and aliphatic carboxylic acids. Chemosphere, 1989, 19: 1595–1609 1268 评述 50 Tehan B G, Lloyd E J, Wong M G, et al. Estimation of pKa using semiempirical molecular orbital methods. Part 2: Application to amines, anilines and various nitrogen containing...
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的模型不包括可质子化碳原子(Carbobases)子模型的预测性能 模型的化学空间 罗氏制药...
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...
L-Prolinamides 2, prepared from L-proline and simple aliphatic and aromatic amines, have been found to be active catalysts for the direct adol reaction of ... Z Tang,F Jiang,X Cui,... - 《Proceedings of the National Academy of Sciences of the United States of America》 被引量: 943...
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...
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 Alcohols and oxygen acids10, 11Quinoxaline27 Amino Acids12Special Nitrogen Compounds28 Peptides13Hydroxylamines28 Nitrogen Compounds14Hydrazines28 Aliphatic amines15, 17, 19Semicarbazones28 Cyanoamines16Amidoximes28 Anilines17, 18, 20Thiols29 Nucleosides21...
pKaDataCompiledbyR.Williamspage-1 pKaValues INDEX Inorganic2Phenazine24 Phosphates3Pyridine25 Carboxylicacids4,8Pyrazine26 Aliphatic4,8 Aromatic7,8Quinoline27 Phenols9Quinazoline27 Alcoholsandoxygenacids10,11Quinoxaline27 AminoAcids12SpecialNitrogenCompounds28 Peptides13Hydroxylamines28 NitrogenCompounds14Hydrazine...
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...