中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-乙烯基苄基溴 | 4-vinylbenzyl bromide | 13368-25-7 | C9H9Br | 197.074 |
4,4'-二甲基-反-二苯乙烯 | (E)-4,4'-dimethylstilbene | 18869-29-9 | C16H16 | 208.303 |
1-甲基-4-[(Z)-2-(4-甲基苯基)乙烯基]苯 | (Z)-4,4'-dimethylstilbene | 2510-76-1 | C16H16 | 208.303 |
—— | 4,4'-bis(hydroxymethyl)-trans-stilbene | 66888-68-4 | C16H16O2 | 240.302 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | (Z)-4,4'-bis(bromomethyl)stilbene | 66888-72-0 | C16H14Br2 | 366.095 |
—— | 4,4'-bis(4-methylstyryl)-trans-stilbene | 137768-21-9 | C32H28 | 412.574 |
—— | 4,4'-distyrylstilbene | 64496-23-7 | C30H24 | 384.521 |
4,4'-二苯甲醛基乙烯 | (E)-1,2-bis-(p-phenylaldehyde)ethene | 84907-53-9 | C16H12O2 | 236.27 |
—— | 4,4'-bis(mercaptomethyl)-trans-stilbene | 770721-54-5 | C16H16S2 | 272.435 |
—— | (E)-4,4'-bis(benzyloxymethyl)stilbene | —— | C30H28O2 | 420.551 |
—— | 4,4'-bis-dimethylaminomethyl-trans-stilbene | 102166-69-8 | C20H26N2 | 294.44 |
New types of bis-quaternary ammonium bromide as chiral multisite phase transfer catalysts derived from cinchona alkaloids have been developed and evaluated for the enantioselective epoxidation of chalcones in the presence of lower concentrations of various oxidants, bases and ultrasonic irradiation conditions.