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About This Item
线性分子式:
[(CH3)3COCO]2O
CAS号:
分子量:
218.25
Beilstein:
1911173
EC 号:
MDL编号:
UNSPSC代码:
12352000
推荐产品
等级
reagent grade
方案
97%
折射率
n20/D 1.409 (lit.)
沸点
56-57 °C/0.5 mmHg (lit.)
mp
23 °C (lit.)
密度
0.95 g/mL at 25 °C (lit.)
SMILES字符串
CC(C)(C)OC(=O)OC(=O)OC(C)(C)C
InChI
1S/C10H18O5/c1-9(2,3)14-7(11)13-8(12)15-10(4,5)6/h1-6H3
InChI key
DYHSDKLCOJIUFX-UHFFFAOYSA-N
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应用
用于引入Boc保护基的试剂。
警告
水解为叔丁醇和 CO2；暴露在潮湿环境中会导致瓶内压力增大。
警示用语：
Danger
危险分类
Acute Tox. 1 Inhalation - Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
靶器官
Respiratory system
储存分类代码
3 - Flammable liquids
WGK
WGK 3
闪点(°F)
98.6 °F - closed cup
闪点(°C)
37 °C - closed cup
E E Büllesbach et al.
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Nepsilon 29, Nepsilon 59-Bis(methylsulfonylethoxycarbonyl)proinsulin was prepared from native beef proinsulin for its possible use in the semisynthesis of preproinsulin. The modification was made possible by first protecting the alpha-amino group of proinsulin either with the tert-butoxycarbonyl group, after reaction with
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The precise estimation of the degree of derivatization of functional groups in polymers is important for determining their macroscopic properties. In this work, the quantitative estimation of the extent of esterification of novolac copolymers with di-tert-butyl dicarbonate was studied. Although
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We report a fundamentally unique approach to the catalytic kinetic resolution of amine derivatives based on formamide and thioformamide substrates. Readily accessible histidine-containing peptides mediate the kinetic resolutions with as little as 5 mol % catalyst. Selectivity factors (k(rel)) as
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Perchloric acid adsorbed on silica-gel (HClO4-SiO2) was found to be a new, highly efficient, inexpensive and reusable catalyst for chemoselective N-tert-butoxycarbonylation of amines at room temperature and under solvent-free conditions.
Jason C Green et al.
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Total syntheses of two structures purported as (+)-heliananes were completed in six pots. Spectral comparisons, between the synthetic and natural compounds, revealed a misassignment of the eight-membered ring in the heliananes. The key step in the syntheses of the proposed
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