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About This Item
经验公式（希尔记法）:
C5H6O2
CAS号:
分子量:
98.10
Beilstein:
1610
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22
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等级
technical grade
质量水平
方案
90%
表单
liquid
折射率
n20/D 1.483 (lit.)
沸点
103 °C/10 mmHg (lit.)
密度
1.139 g/mL at 25 °C (lit.)
官能团
ester
储存温度
2-8°C
SMILES字符串
O=C1OCCC=C1
InChI
1S/C5H6O2/c6-5-3-1-2-4-7-5/h1,3H,2,4H2
InChI key
QBDAFARLDLCWAT-UHFFFAOYSA-N
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一般描述
已有报道将格氏试剂对映选择性共轭加成到手性膦-铜碘化物催化剂催化的5,6-二氢-2H-吡喃-2-酮上。
应用
5,6-二氢-2H-吡喃-2-酮已用于制备：
- (1 aR ,5 aR ,5 bS ,6 S ,7 S )-6,7-二- 叔丁基-5-氧代-吡咯烷 [1,2- b 异恶唑烷[4,5- c 四氢吡喃
- 4-（苯基）四氢-2 H -吡喃-2-酮
D Socha et al.
Carbohydrate research, 336(4), 315-318 (2001-12-01)
(1aR,5aR,5bS,6S,7S)-6,7-Di-tert-butoxy-5-oxo-pyrrolidino[1,2-b]isoxazolidino[4,5-c]tetrahydropyran (8) prepared by (1,3)-dipolar cycloaddition of the cyclic nitrone 6 derived from tartaric acid to 5,6-dihydro-2H-pyran-2-one (7) was transformed into indolizidine 11 via a sequence of reactions involving methanolysis of the lactone ring, intramolecular alkylation of the nitrogen atom
Conjugate addition of diethylzinc to a, ?-unsaturated lactones catalyzed by copper-phosphite complexes.
Yan M, et al.
Chemical Communications (Cambridge, England), 2, 115-116 (2000)
Rhodium-catalyzed asymmetric 1, 4-addition of arylboron reagents to α,β-unsaturated esters.
Takaya Y, et al.
Tetrahedron Asymmetry, 10(20), 4047-4056 (1999)
Fabrizio Carta et al.
Bioorganic & medicinal chemistry letters, 22(1), 267-270 (2011-12-06)
The inhibition of the zinc enzyme carbonic anhydrase (CA, EC 4.2.1.1) with (thio)coumarins has been recently reported (Maresca et al., J. Am. Chem. Soc. 2009, 131, 3057). Here we demonstrate that a series of γ- and δ-(thio)lactones also act as
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