中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | tert-butylpent-4-enyloxydimethylsilane | 127154-84-1 | C11H24OSi | 200.396 |
4-(叔丁基二甲基硅杂氧基)-1-丁炔 | 1-t-butyldimethylsilyloxy-3-butyne | 78592-82-2 | C10H20OSi | 184.354 |
—— | 1-(tert-butyldimethylsilyloxy)-4-pentyne | 61362-77-4 | C11H22OSi | 198.381 |
—— | tert-butyldimethyl(pent-3-yn-1-yloxy)silane | 104066-69-5 | C11H22OSi | 198.381 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 5-((tert-butyldimethylsilyl)oxy)pentane-2,3-dione | 195197-90-1 | C11H22O3Si | 230.379 |
New syntheses are described of 5-hydroxypentane-2,3-dione (7) (i.e., laurencione [Formula: see text]) and of 3-amino-1-hydroxypropan-2-one (3-amino-1-hydroxyacetone) (5) hydrochloride, putative precursors of the C5 unit, C-2′,2,3,4,4′, and of the C3N unit, N-1,C-6,5,5′, respectively, of pyridoxine (6). Keywords: 3-amino-1-hydroxyacetone, 3-amino-1-hydroxypropanone, 5-hydroxypentane-2,3-dione, laurencione, vitamin B6.