280992
4-苯基-1,2,4-三唑啉-3,5-二酮
97%
别名:
4-苯基-3H-1,2,4-三唑-3,5(4H)-二酮, PTAD
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选择尺寸
关于此项目
经验公式（希尔记法）:
C8H5N3O2
化学文摘社编号:
分子量:
175.14
Beilstein:
141548
EC 号:
MDL编号:
UNSPSC代码:
12352005
PubChem化学物质编号:
NACRES:
NA.22
质量水平
方案
97%
表单
solid
mp
165-170 °C (dec.) (lit.)
储存温度
2-8°C
SMILES字符串
O=C1N=NC(=O)N1c2ccccc2
InChI
1S/C8H5N3O2/c12-7-9-10-8(13)11(7)6-4-2-1-3-5-6/h1-5H
InChI key
ISULLEUFOQSBGY-UHFFFAOYSA-N
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应用
4-苯基-1,2,4-三唑啉-3,5-二酮(PTAD)可用作将硫醇氧化成二硫化物的高效选择性试剂。
它还用于：
它还用于：
- 作为环烯烃和1,2,4,5-四嗪通过逆[4+2]环加成反应合成二氢哒嗪环的脱氢剂。
- 作为快速杂-Diels-Alder反应合成环加成产物的亲双烯体。
- 作为1,4-二氢吡啶类物质合成吡啶衍生物的高效氧化剂。
- 作为烯丙基硅烷[3+2]环加成合成尿唑的试剂。
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
4-Phenyl-1, 2, 4-triazoline-3, 5-dione: a novel dehydrogenating agent for dihydropyridazines
Klindert T and Seitz G
Synthetic Communications, 26(13), 2587-2596 (1996)
Rebecca L Grange et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 16(29), 8894-8903 (2010-06-24)
A detailed examination of [4+2] cycloaddition reactions between 1,8-disubstituted cyclooctatetraenes and diazo compounds revealed that 4-phenyl-1,2,4-triazole-3,5-dione (PTAD) reacts to form either 2,3- or 3,4-disubstituted adducts. The product distribution can be controlled by modulating the electron density of the cyclooctatetraene. Unprecedented
Tatsuya Higashi et al.
Analytical and bioanalytical chemistry, 403(2), 495-502 (2012-03-01)
The utility of Diels-Alder derivatization with 4-phenyl-1,2,4-triazoline-3,5-dione (PTAD) for liquid chromatography/electrospray ionization tandem mass spectrometry of conjugated linoleic acids (CLAs) was examined. PTAD rapidly reacted with the CLAs, and the resulting derivatives were highly responsive in electrospray ionization mass spectrometry
Location of conjugated diene position in an aliphatic chain by mass spectrometry of the 4-phenyl-1,2,4-triazoline-3,5-dione adduct.
D C Young et al.
Analytical chemistry, 59(15), 1954-1957 (1987-08-01)
A reinvestigation of the reaction of allylsilanes with N-phenyltriazolinedione: stereoselective synthesis of substituted urazoles by [3+2] cycloaddition
Raudra T. Dey
Tetrahedron Letters, 48, 6671-6671 (2007)
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