115754
2,2,6,6-四甲基哌啶
≥99%
别名:
2,2,6,6-tetramethylpiperidide, 2,2,6,6-tetramethylpiperidine, Norpempidine, TEMP, TMPH
质量水平
方案
≥99%
折射率
n20/D 1.445 (lit.)
沸点
152 °C (lit.)
密度
0.837 g/mL at 25 °C (lit.)
SMILES字符串
CC1(C)CCCC(C)(C)N1
InChI
1S/C9H19N/c1-8(2)6-5-7-9(3,4)10-8/h10H,5-7H2,1-4H3
InChI key
RKMGAJGJIURJSJ-UHFFFAOYSA-N
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一般描述
2,2,6,6-四甲基哌啶是一种位阻仲胺，用于制备金属-酰胺碱(metallo-amide bases)和选择性制备硅基取代的烯酮缩酮(silyl ketene acetals)。
应用
2,2,6,6-四甲基哌啶可用作反应剂，用于：
- 通过烯丙基氯类的烯丙基胺化合成烯丙化叔胺。
- 以Oxone为氧化剂，通过氧化反应合成羟胺。
- 以碘为氧化剂，与杂环硫醇反应合成次磺酰胺化合物。
- 与CO2和苯基硅烷经N-甲基化反应合成N-甲基化胺。
- 与醛和炔通过三组分Mannich偶联反应合成炔丙胺化合物。
警示用语：
Danger
危险分类
Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Met. Corr. 1 - Skin Corr. 1A - STOT SE 3
靶器官
Respiratory system
储存分类代码
3 - Flammable liquids
WGK
WGK 2
闪点(°F)
98.6 °F - closed cup
闪点(°C)
37 °C - closed cup
个人防护装备
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
危险化学品
历史批次信息供参考:
分析证书(COA)
Lot/Batch Number
Geoffrey Deguest et al.
Organic letters, 8(25), 5889-5892 (2006-12-01)
A novel one-pot methodology is described for the synthesis of functionalized pyrrolopyridinones using in situ generated formimines and an ortho-lithiated pyridinecarboxamide species. Depending on the reaction conditions, this procedure allows versatile access to aminomethylated pyridinecarboxamides, 2,3-dihydro-pyrrolopyridinones, or 1,1-dialkylated 2,3-dihydro-pyrrolopyridinone derivatives.
Megan Smyth et al.
Carbohydrate polymers, 179, 186-195 (2017-11-08)
Alginate is commonly used in the form of hydrogels in biomedical applications. It is known to be highly sensitive to liquid exposure and can degrade or solubilize easily. This study attempts to improve the mechanical and material properties in various
S Doruk Cezan et al.
Nature communications, 10(1), 276-276 (2019-01-19)
Triboelectric charging of insulators, also known as contact charging in which electrical charges develop on surfaces upon contact, is a significant problem that is especially critical for various industries such as polymers, pharmaceuticals, electronics, and space. Several methods of tribocharge
David Joram Mendoza et al.
Carbohydrate polymers, 226, 115292-115292 (2019-10-05)
TEMPO/NaClO/NaBr and sodium periodate were combined in a one-shot reaction to oxidise cellulose from bleached pulp. Oxidation of cellulose forms two fractions: a highly-carboxylated water-insoluble (up to 1.9 mmol COO-/g, DS = 0.39) and a water-soluble fraction (up to 4 mmol COO-/g, DS = 1.1). Results
Kasper Wigh Lipsø et al.
Journal of magnetic resonance (San Diego, Calif. : 1997), 274, 65-72 (2016-11-28)
We demonstrate a method for the preparation of hyperpolarized water by dissolution Dynamic Nuclear Polarization at high magnetic field. Protons were polarized at 6.7T and 1.1K to >70% with frequency modulated microwave irradiation at 188GHz. 97.2±0.7% of the radical was
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