18503
三氟甲磺酸甲酯
derivatization grade (GC derivatization), LiChropur™, 98.0%
别名:
三氟甲基磺酸甲酯
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关于此项目
线性分子式:
CF3SO2OCH3
化学文摘社编号:
分子量:
164.10
Beilstein:
774772
EC 号:
MDL编号:
UNSPSC代码:
41116105
PubChem化学物质编号:
NACRES:
NA.22
等级
derivatization grade (GC derivatization)
质量水平
方案
≥98.0% (GC)
98.0%
表单
liquid
质量
LiChropur™
反应适用性
reagent type: derivatization reagent
reaction type: Acylations
技术
gas chromatography (GC): suitable
折射率
n20/D 1.326 (lit.)
n20/D 1.327
沸点
94-99 °C (lit.)
密度
1.45 g/mL at 25 °C (lit.)
储存温度
2-8°C
SMILES字符串
COS(=O)(=O)C(F)(F)F
InChI
1S/C2H3F3O3S/c1-8-9(6,7)2(3,4)5/h1H3
InChI key
OIRDBPQYVWXNSJ-UHFFFAOYSA-N
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一般描述
Methyl trifluoromethanesulfonate (Methyl triflate) is a strong methylating agent. It is also a powerful alkylating agent and a strong irritant.
Shown to be the most effective monomethylating agent in reactions with potassium enolates.
Useful methylation reagent for the conversion of amines to methyl ammonium triflates.
Useful methylation reagent for the conversion of amines to methyl ammonium triflates.
应用
Methyl trifluoromethanesulfonate was used in the synthesis of 2-Benzyloxy-1-methylpyridinium trifluoromethanesulfonate.
法律信息
LiChropur is a trademark of Merck KGaA, Darmstadt, Germany
警示用语：
Danger
危险分类
Acute Tox. 1 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
储存分类代码
3 - Flammable liquids
WGK
WGK 3
闪点(°F)
100.4 °F - closed cup
闪点(°C)
38 °C - closed cup
法规信息
危险化学品
此项目有
W. L. F. Armarego, Christina Li Lin Chai
Purification of Laboratory Chemicals, 189-189 (2013)
Protection of Alcohols Using 2-Benzyloxy-1-Methylpyridinium Trifluoromethanesulfonate: Methyl (R)-(-)-3-Benzyloxy-2-Methyl Propanote.
Poon, Kevin WC, Philip A. Albiniak, and Gregory B. Dudley.
Organic Syntheses, 295-305 (2007)
S E Snyder et al.
Nuclear medicine and biology, 25(8), 751-754 (1998-12-24)
Synthesis of 1-[11C]methylpiperidin-4-yl propionate ([11C]PMP), an in vivo substrate for acetylcholinesterase, is reported. An improved preparation of 4-piperidinyl propionate (PHP), the immediate precursor for radiolabeling, was accomplished in three steps from 4-hydroxypiperidine by (a) protection of the amine as the
Q H Zheng et al.
Nuclear medicine and biology, 23(8), 981-986 (1996-11-01)
The important radiotracer precursor 2 beta-carbomethoxy-3 beta-(4-idophenyl)-tropane (beta-CIT, RTI-55) was made in 52% overall yield from cocaine. Key steps were improved conjugate Grignard addition to anhydroecgonine methyl ester with > 3.5:1 2 beta: 2 alpha-isomer selectivity, and a mild new
Convenient gas phase bromination of [11C]methane and production of [11C]methyl triflate.
B H Mock et al.
Nuclear medicine and biology, 26(4), 467-471 (1999-06-26)
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