關(guān)鍵字:4-(4-氯苯基)-4-羥基哌啶廠家直銷,4-(4-氯苯基)-4-羥基哌啶廠家供應(yīng),4-(4-氯苯基)-4-羥基哌啶價(jià)格 dbzz
中文名稱: 4-(4-氯苯基)-4-羥基哌啶 中文同義詞: 4-(4-氯苯)-4-羥基哌啶;4-對(duì)氯苯-4-羥基哌啶;4-(4-氯苯基)哌啶-4-醇;4-(對(duì)-氯苯基)-4-羥基哌啶;4-(對(duì)-氯苯基)哌啶-4-醇;4-羥基-4-(4-氯苯基)哌啶;4-羥基-4-(對(duì)-氯苯基)哌啶;4-(4--氯苯基)-4-羥基哌啶 游離態(tài),溶于氯仿等,熔點(diǎn)136-139 英文名稱: 4-(4-Chlorophenyl)piperidin-4-ol 英文同義詞: 4-(p-Chlorophenyl)-4-piperidinol;4-Hydroxy-4-(4-chlorophenyl)piperidine;4-Hydroxy-4-(p-chlorophenyl)piperidine;4-Piperidinol, 4-(4-chlorophenyl)-;4-(CHLOROPHENYL)-4-HYDROXYLPIPERIDINE;4-(CHLOROPHENYL)-4-HYDROXYPIPERIDINE;4-(P-CHLOROPHENYL)-4-HYDROXYPIPERIDINE;4-(4-CHLOROPHENYL)-4-PIPERIDINOL CAS號(hào): 39512-49-7 分子式: C11H14ClNO 分子量: 211.69 4-(4-氯苯基)-4-羥基哌啶 性質(zhì) 4-(4-氯苯基)-4-羥基哌啶熔點(diǎn): 137-140 °C(lit.) 4-(4-氯苯基)-4-羥基哌啶密度: 1.1138 (rough estimate) 4-(4-氯苯基)-4-羥基哌啶用途: 醫(yī)藥中間體。 4-(4-氯苯基)-4-羥基哌啶用途: 由4-氯-α-甲基苯乙烯(1712-70-5)經(jīng)環(huán)合,成鹽、加成、水解而得。1.環(huán)合、成鹽將4-氯-α-甲基苯乙烯加到氯化銨和甲醛混合液中,在60℃左右反應(yīng)至反應(yīng)液澄清。再加入甲醇,在45℃反應(yīng)4h,蒸出甲醇,加入濃鹽酸,在40-50℃下反應(yīng)半小時(shí),95-100℃下反應(yīng)4h,放置過(guò)夜。加液堿至pH為10-11。用甲苯提取,減壓回收甲苯,余液用丙酮稀釋,加乙酸至pH為7,析出結(jié)晶,過(guò)濾,丙酮洗滌,干燥,得4-對(duì)氯苯1,2,3,6-四氫*乙酸鹽。2.加成、水解將上述乙酸鹽溶解在冰醋酸中,在30℃以下通溴 |