远离氧化物。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
2-乙氧基苯甲酸 | 2-ethoxybenzoic acid | 134-11-2 | C9H10O3 | 166.177 |
2-乙氧基苯甲醛 | 2-ethoxylbenzaldehyde | 613-69-4 | C9H10O2 | 150.177 |
水杨醇 | salicylic alcohol | 90-01-7 | C7H8O2 | 124.139 |
2-乙氧基苯甲腈 | 2-ethoxybenzonitrile | 6609-57-0 | C9H9NO | 147.177 |
2-(2-溴乙氧基)苯甲醛 | 2-(2-bromoethoxy)benzaldehyde | 60633-78-5 | C9H9BrO2 | 229.073 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 2-(2-Ethoxy-benzyloxymethyl)-oxirane | 85495-31-4 | C12H16O3 | 208.257 |
2-乙氧基苯甲醛 | 2-ethoxylbenzaldehyde | 613-69-4 | C9H10O2 | 150.177 |
1-溴甲基-2-乙氧基苯 | 2-ethoxybenzyl bromide | 2417-70-1 | C9H11BrO | 215.09 |
2-乙氧基苄氯 | 2-ethoxybenzyl chloride | 60906-78-7 | C9H11ClO | 170.639 |
(2-乙氧基苯)乙腈 | (2-ethoxyphenyl)acetonitrile | 74205-51-9 | C10H11NO | 161.203 |
A series of new ionic sulfonated α-diimine ligands were prepared and employed as supporting ligands for the palladium-catalyzed aerobic alcohol oxidation. The electronic properties, rigidity, and steric hindrance of ligands have remarkable influences upon the catalytic activity of the palladium complexes. The best catalytic result could be achieved using ligand 9 with an electron-withdrawing sulfonyl substituent together with bulky groups (iso-propyl in 2,6-positions). This diimine/palladium-catalyzed system is highly efficient for the oxidation of various benzylic alcohols, and showed moderate yields for the secondary aliphatic alcohols and cyclic alcohols.Key words: α-diimine, palladium, aerobic oxidation, alcohol.