BOC-N-Methyl-L-alanine (CAS# 16948-16-6)
Ewu ati Aabo
| Apejuwe Abo | 24/25 - Yago fun olubasọrọ pẹlu awọ ara ati oju. |
| WGK Germany | 3 |
| HS koodu | 2924 19 00 |
| Kíláàsì ewu | IKANU |
BOC-N-Methyl-L-alanine (CAS# 16948-16-6) Alaye
| ohun elo | BOC-N-methyl-L-alanine le ṣee lo kii ṣe fun iṣelọpọ amuaradagba nikan, ṣugbọn tun bi imudara adun, ohun elo ati itọju ni aaye ounjẹ, bi awọn ohun elo aise elegbogi ni aaye oogun ati iṣelọpọ surfactant kekere ni aaye kemikali ojoojumọ. |
| igbaradi | tetrahydrofuran (80 milimita) ojutu ti 1- boc-alanine (5g, 26.4 mmol) ni a fi kun, erupẹ didara KOH (10.4g, 187) mmol) ni a fi kun ni 0 ℃, ati lẹhinna tetrabutylammonium bisulfate (0.5g, 10% nipasẹ iwuwo) ni a ṣafikun. Lẹhinna, dimethyl sulfate (10 milimita, 105 mmol) ni a fi kun ju silẹ fun diẹ ẹ sii ju iṣẹju 15 lọ. Aruwo fun iṣẹju 30 miiran ki o fi omi kun (50 milimita). Lẹhin igbiyanju ni iwọn otutu yara fun wakati 5, 20% ammonium hydroxide aqueous ojutu (20 milimita) ti fi kun. Di ifaseyin naa pẹlu ether (100 milimita), ya awọn ipele omi kuro, ki o jade kuro ni Layer Organic pẹlu ojutu olomi NaHCO3 ti o kun (2 × 40 mL). Apapọ omi ti a dapọ jẹ acidified pẹlu 1M KHSO4 si pH 1 ati fa jade pẹlu ethyl acetate (2×200 ml). Awọn fẹlẹfẹlẹ Organic ti wa ni idapo, ti o gbẹ (Na2SO4), filtered ati idojukọ. Abajade ọja ti a damọ bi BOC-N-methyl-L-alanine. Bota, ikore 4.3g, 80%. |
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