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一般描述
氯化钛参与了芳香醛与甲基乙烯基酮的 Baylis-Hillman 反应。使用 pH 值为 2.5 至 6.0 的 TiCl 4 中性溶液(通过添加氧化镁作为基础制备)合成纳米二氧化钛。
应用
通过改良的 Bouveault 反应活化吡咯烷,以改善转化为相应的 α-二甲胺。
警示用语:
Danger
危险分类
Acute Tox. 3 Inhalation - Carc. 2 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3
靶器官
Central nervous system
补充剂危害
储存分类代码
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 2
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
危险化学品
Titanium(IV) chloride and the amine-promoted baylis-hillman reaction
Organic letters, 2(23), 3755-3755 (2000-11-14)
Precipitation of nanosized titanium dioxide from aqueous titanium (IV) chloride solutions by neutralization with MgO.
Hydrometallurgy, 90(1), 26-33 (2008)
Synlett, 55-55 (1999)
Organic letters, 14(18), 4970-4973 (2012-09-08)
The Ti(IV)-catalyzed Ugi condensation of α-amino acids with electron-rich aromatic aldehydes performs adequately even with sterically demanding α-amino carboxylate salts. The reaction occurs diastereoselectively, in some cases with virtually complete diastereoselectivity. A stereochemical rationale for the reaction is proposed.
Chemical communications (Cambridge, England), 49(16), 1621-1623 (2013-01-23)
Pyrrolopyrrole aza-BODIPY analogues were synthesized from diketopyrrolopyrrole and heteroaromatic amines in the presence of titanium tetrachloride. These novel compounds exhibit intense absorption in the visible region and strong emission with high fluorescence quantum yields greater than 0.8.
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