品牌 |
货号 |
纯度标准 |
包装 |
价格/优惠价 |
折扣价 |
特价 |
上海 | 济南 | 成都 | 武汉 | 天津 |
数量1 |
购买 |
韶远 |
SY001514 |
>97% |
25g |
40.00/0 |
0 |
- |
现货 |
现货 |
现货 |
现货 |
现货 |
|
|
韶远 |
SY001514 |
>97% |
100g |
40.00/0 |
0 |
- |
现货 |
现货 |
- |
现货 |
现货 |
|
|
韶远 |
SY001514 |
>97% |
500g |
80.85/0 |
0 |
- |
现货 |
现货 |
- |
- |
- |
|
|
韶远 |
SY001514 |
>97% |
1000g |
POA/0 |
POA |
POA |
现货 |
现货 |
- |
- |
- |
|
|
|
产品信息安全信息参考文献
闪点
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沸点
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密度
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储存条件
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Imidazole in DMF: J. Am. Chem. Soc., 94, 6190 (1972); Et3N - DMAP: Tetrahedron Lett., 99 (1979); Org. Synth. Coll., 9, 136 (1998); N-ethyldiisopropylamine: Tetrahedron Lett., 25, 227 (1984); 1,1,3,3-tetramethylguanidine: J. Org. Chem., 49, 4657 (1984); K2CO3 (phase-transfer): Synth. Commun., 11, 545 (1981); DBU - superior to imidazole for thiols, amines and carboxylic acids: Tetrahedron Lett., 26, 475 (1985). Cleavage is generally effected with fluoride ion e.g. TBAF in an aprotic system: J. Am. Chem. Soc., 94, 6190 (1972), or KF with a phase-transfer catalyst: J. Am. Chem. Soc., 90, 4462, 4464 (1968); 96, 2250 (1974); J. Chem. Soc., Chem. Commun., 514 (1979). Acidic ion-exchange resin: Tetrahedron Lett., 21, 137 (1980); NBS in DMSO: Synthesis, 234 (1980); BF3 etherate: Synth. Commun., 9, 295 (1979); FeCl3 or SnCl2 in acetonitrile: Synth. Commun., 20, 757 (1990)