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Kugadzirira nzira yeHMB-Ca
2025-03-17
Nzira 1:
Kushandisa 4-methyl-4-hydroxy-2-pentanone (diacetone doro) sechinhu chinogadzirisa, mvura semugadziri, NaOBr aqueous solution yakashandiswa kune halogenated reaction, inoteverwa ne acidification uye isobutanol extraction. Iyo HMB asidhi muiyo isobutanol yakatorwa yakanyatsoiswa munyu neCa (OH) 2 kuti iwane β - hydroxy - β - methylbutyrate calcium. Iyi nzira ine zvakanakira kuchena kwechigadzirwa chepamusoro uye kusvibiswa kwakaderera kwezvakatipoteredza.
- Nzira 2:1) Reaction yeglacial acetic acid, sulfuric acid, uye H2O2, inoteverwa ne-vacuum distillation, inobereka mhinduro ye peracetic acid;
- 2) Sanganisa chigadzirwa chakawanikwa mudanho 1) ne diacetone doro, wedzera methyl acetate sechinhu chinonyungudutsa, wobva waisa uye tora chikamu che70 ℃. Iyo yakasara mushure mekuita distillation inogadziriswa ye β - hydroxy - β - methylbutyric acid;
- 3) Wedzera mvura uye sodium hydroxide mhinduro kune distillation yakasara inowanikwa mudanho 2) kugadzirisa pH kusvika 6.0-7.0. Pisa uye nyungudutsa musanganiswa, wousefa. Wedzera calcium chloride kune filtrate, fambisa mhinduro, uye gadzirisa pH kusvika 6.5-7.0 zvakare kuti iwedzere β - hydroxy - β - methylbutyrate calcium. Sefa uye woomesa kuti uwane chigadzirwa