1-Methyl-3-Pyrrolidinol CAS 13220-33-2 Ịdị ọcha> 98.0% (GC)

Tinye 1,2,4-Butanetriol na glacial acetic acid na mmeghachi omume ite, kpalie na okpomọkụ ruo banyere 100 ℃, tinye akọrọ hydrogen chloride gas, na-emeghachi omume na 90 ~ 110 ℃ maka 30h, mgbe nnukwu ego nke hydrogen chloride malitere. na-apụta na gas ọdụ, a na-enyocha njedebe nke mmeghachi omume na hydrogen chloride kwụsịrị.Mgbe ọ dị jụụ, a na-ahapụ ihe ahụ, na-asa ya na ngwọta sodium carbonate zuru ezu, ma tinye ya n'okpuru nrụgide na-ebelata, na 120 ruo 135 ℃.(12.6 ruo 13. 3kPa) ntakiri, I .e., 1,4-Dichloro-2-Butanol mmanu mmanu, na-enye 50% ~ 60%.
Agbakwunyere cyclization ihe ngwọta mmiri nke 1,4-Dichloro-2-Butanol na Methylamine na ite cyclization, wee kpoo ọkụ ruo 120 ℃.N'okpuru kpo oku mechiri emechi, a na-akpalikwa mmeghachi omume maka 10h.Mgbe ọ dị jụụ, a gbakwụnye sodium hydroxide siri ike, ma kpochaa nnu inorganic nke nwere mmiri mmiri.The mmanụ oyi akwa e kewapụrụ na doro na agụụ distillation, na akụkụ nke 76-85 ℃.(2.1 kPa) anakọtara ka ọ bụrụ ngwaahịa emechara.Mwepụta nke akwa akwa mmiri na benzene na-ewepụtakwa akụkụ nke 1-Methyl-3-Pyrrolidinol.Mkpụrụ ahụ dị ihe dịka 60%.
3. Isi usoro:
3.1 Usoro mmeghachi omume dochie anya: jikwaa oge mmeghachi omume ma chọpụta njedebe mmeghachi omume
3.2 Vacuum distillation usoro nke 1,4-Dichloro-2-Butanol: akara agụụ ogo nke agụụ distillation na ntakiri okpomọkụ.
3.3 Usoro mmeghachi omume cyclization: njikwa mmeghachi omume okpomọkụ na oge
3.4 1-Methyl-3-Pyrrolidinol agụụ distillation usoro: akara agụụ ogo nke agụụ distillation na obere okpomọkụ okpomọkụ.
4. Isi njikwa mma:
Ogo akara akara 1: 1,2,4-Butanetriol raw material standard standard
Ebe njikwa mma 2: Ụkpụrụ njikwa njikwa etiti maka mmeghachi omume ịgba ígwè
Ebe njikwa mma 3: 1,4-Dichloro-2-Butanol ụkpụrụ dị n'etiti
Ebe njikwa mma 4: 1-Methyl-3-Pyrrolidinol gụchara ọkọlọtọ ngwaahịa ngwaahịa