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重要文件

262102

Sigma-Aldrich

5,6-二氢-2H-吡喃-2-酮

technical grade, 90%

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About This Item

經驗公式(希爾表示法):
C5H6O2
CAS號碼:
分子量::
98.10
Beilstein:
1610
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22

等級

technical grade

品質等級

化驗

90%

形狀

liquid

折射率

n20/D 1.483 (lit.)

bp

103 °C/10 mmHg (lit.)

密度

1.139 g/mL at 25 °C (lit.)

官能基

ester

儲存溫度

2-8°C

SMILES 字串

O=C1OCCC=C1

InChI

1S/C5H6O2/c6-5-3-1-2-4-7-5/h1,3H,2,4H2

InChI 密鑰

QBDAFARLDLCWAT-UHFFFAOYSA-N

尋找類似的產品? 前往 產品比較指南

一般說明

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。

應用

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

象形圖

Flame

訊號詞

Warning

危險聲明

危險分類

Flam. Liq. 3

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

114.8 °F - closed cup

閃點(°C)

46 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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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)
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
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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