BOC-N-Methyl-L-alanine (CAS# 16948-16-6)
Ihe ize ndụ na Nchekwa
| Nkọwapụta nchekwa | 24/25 - Zere kọntaktị na akpụkpọ anụ na anya. |
| WGK Germany | 3 |
| Koodu HS | 2924 19 00 |
| Klas Hazard | Iwe |
BOC-N-Methyl-L-alanine (CAS# 16948-16-6) Ozi
| ngwa | Enwere ike iji BOC-N-methyl-L-alanine ọ bụghị naanị maka njikọ protein, kamakwa dị ka onye na-eme ka ekpomeekpo, ihe nchekwa na nchekwa na nri nri, dị ka akụrụngwa ọgwụ na mpaghara ọgwụ na njikọta surfactant dị nro na ubi kemịkalụ kwa ụbọchị. |
| nkwadebe | tetrahydrofuran (80 ml) ihe ngwọta nke 1-boc-alanine (5g, 26.4 mmol) gbakwunyere, ezigbo ntụ ntụ KOH (10.4g, 187). mmol) agbakwunyere na 0 ℃, wee tinye tetrabutylammonium bisulfate (0.5g, 10% n'ịdị arọ). Mgbe ahụ, dimethyl sulfate (10 ml, 105 mmol) gbakwunyere na dropwise maka ihe karịrị nkeji iri na ise. Gbakwunye maka nkeji 30 ọzọ ma tinye mmiri (50 ml). Mgbe ọ na-akpalite na ụlọ okpomọkụ maka awa 5, a na-agbakwunye 20% ammonium hydroxide aqueous solution (20 ml). Gwakọta mmeghachi omume ahụ na ether (100 mL), kewaa akwa mmiri, wee wepụta oyi akwa organic na mmiri mmiri NaHCO3 juru (2 × 40 ml). A na-eji 1M mee ka oyi akwa a gwakọtara ọnụ mee acid KHSO4 ruo pH 1 wee wepụta ya na ethyl acetate (2 × 200 ml). A na-ejikọta akwa akwa organic, nke a mịrị amị (Na2SO4), na-enyocha ma tinye uche. Achọpụtara ngwaahịa a sitere na BOC-N-methyl-L-alanine. Bọta, mkpụrụ 4.3g, 80%. |
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