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463159

2H-吡喃-2-酮

Name: 2<I>H</I>-吡喃-2-酮
Brand: ALDRICH

90%

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别名:

α-吡喃酮

经验公式（希尔记法）:

C₅H₄O₂

CAS号:

504-31-4

分子量:

96.08

Beilstein:

1511

EC 号:

207-990-5

MDL编号:

MFCD00006639

PubChem化学物质编号:

24869900

NACRES:

NA.22

检测方案

90%

折射率

n20/D 1.53 (lit.)

bp

102-103 °C/20 mmHg (lit.)

密度

1.197 g/mL at 25 °C (lit.)

储存温度

2-8°C

SMILES string

O=C1OC=CC=C1

InChI

1S/C5H4O2/c6-5-3-1-2-4-7-5/h1-4H

InChI key

ZPSJGADGUYYRKE-UHFFFAOYSA-N

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一般描述

2H-吡喃-2-酮（a-吡喃酮）是一种杂环构成单位。2H-吡喃-2-酮的光化学已通过具有红外检测的激光闪光光解法进行了研究。乙烯酮和双环内酯已作为主要光产物被获得。

包装

无底玻璃瓶。内含物在插入的融合锥体内。

其他说明

储存于2-8°C

储存分类代码

10 - Combustible liquids

WGK

WGK 3

闪点(°F)

201.2 °F - closed cup

闪点(°C)

94 °C - closed cup

个人防护装备

Eyeshields, Gloves

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示例

T1503

货号

25G

包装规格/数量

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705578-5MG-PW

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MMYOMAG-74K-13

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Solution photochemistry of 2H-pyran-2-one: laser flash photolysis with infrared detection of transients.

Arnold BR, et al.

Journal of the American Chemical Society, 115(4), 1576-1577 (1993)

Repeated evolution of exaggerated dewlaps and other throat morphology in lizards.

T J Ord et al.

Journal of evolutionary biology, 28(11), 1948-1964 (2015-08-04)

The existence of elaborate ornamental structures in males is often assumed to reflect the outcome of female mate choice for showy males. However, female mate choice appears weak in many iguanian lizards, but males still exhibit an array of ornament-like

Which came first: The lizard or the egg? Robustness in phylogenetic reconstruction of ancestral states.

April M Wright et al.

Journal of experimental zoology. Part B, Molecular and developmental evolution, 324(6), 504-516 (2015-08-01)

Changes in parity mode between egg-laying (oviparity) and live-bearing (viviparity) have occurred repeatedly throughout vertebrate evolution. Oviparity is the ancestral amniote state, and viviparity has evolved many times independently within amniotes (especially in lizards and snakes), with possibly a few

Defective pollen wall contributes to male sterility in the male sterile line 1355A of cotton.

Yuanlong Wu et al.

Scientific reports, 5, 9608-9608 (2015-06-06)

To understand the mechanisms of male sterility in cotton (Gossypium spp.), combined histological, biochemical and transcription analysis using RNA-Seq was carried out in the anther of the single-gene recessive genic male sterility system of male sterile line 1355A and male

5- and 6-membered (thio)lactones are prodrug type carbonic anhydrase inhibitors.

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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