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蒸汽壓力
15 mmHg ( 20 °C)
品質等級
化驗
98%
形狀
liquid
自燃溫度
662 °F
expl. lim.
16.6 %
折射率
n20/D 1.42 (lit.)
bp
104 °C (lit.)
mp
2.6 °C (lit.)
密度
0.868 g/mL at 25 °C (lit.)
SMILES 字串
CC(C)(O)C#C
InChI
1S/C5H8O/c1-4-5(2,3)6/h1,6H,2-3H3
InChI 密鑰
CEBKHWWANWSNTI-UHFFFAOYSA-N
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一般說明
2-甲基-3-丁炔-2-醇(MBY) 可用作Mannich反应的前体,并可通过选择性半氢化反应生成精细化学品。
應用
2-甲基-3-丁炔-2-醇可用作反应物,通过钯催化的与各种芳基溴化物的 Sonogashira 偶联反应合成:
- 芳基-2-甲基-3-丁炔-2-醇。
- Pd/γ-Al2O3 催化的 2-甲基-3-丁烯-2-醇(MBE)选择性加氢反应。MBE 可作为合成维生素 A 的重要中间体。
- 在 Cs2CO3 作为碱的存在下,通过 Pd 催化的 Sonogashira 与芳基氯化物的偶联反应合成二芳基乙炔。
- 在 Zn(OTf)2 和 N-甲基麻黄碱存在下,通过与各种醛的对映选择性加成反应合成具有光学活性的炔丙醇。
訊號詞
Danger
危險分類
Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - STOT SE 3
標靶器官
Central nervous system
儲存類別代碼
3 - Flammable liquids
水污染物質分類(WGK)
WGK 1
閃點(°F)
66.2 °F - closed cup
閃點(°C)
19 °C - closed cup
個人防護裝備
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
其他客户在看
Palladium-Catalyzed Efficient and One-Pot Synthesis of Diarylacetylenes from the Reaction of Aryl Chlorides with 2-Methyl-3-butyn-2-ol
Advanced Synthesis & Catalysis, 349(10), 1738-1742 (2007)
2-Methyl-3-butyn-2-ol as an acetylene precursor in the Mannich reaction. A new synthesis of suicide inactivators of monoamine oxidase
The Journal of Organic Chemistry, 42(15) , 2637-2639 (1977)
Organic letters, 2(26), 4233-4236 (2001-01-11)
We report the first example of enantioselective aldehyde additions of 2-methyl-3-butyn-2-ol, a commodity bulk chemical that is readily available. Following a facile fragmentation reaction, the addition reactions provide access to optically active terminal acetylenes as useful building blocks for asymmetric
General kinetic modeling of the selective hydrogenation of 2-methyl-3-butyn-2-ol over a commercial palladium-based catalyst
Industrial & Engineering Chemistry Research, 54(46), 11543-11551 (2015)
Chemistry (Weinheim an der Bergstrasse, Germany), 17(36), 10050-10057 (2011-07-21)
Density functional calculations were carried out to ascertain the origin of enantioselectivity in the brucine N-oxide (BNO)-assisted enantioselective Pauson-Khand reaction (PKR) of norbornene with 2-methyl-3-butyn-2-ol. The computed ee value in acetone is 68 % (R), which compares well to the previously
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