{"title":"4‐Phenyl‐1,2,4‐Triazoline‐3,5‐Dione","authors":"J. M. Takacs","doi":"10.1002/047084289X.RP139","DOIUrl":null,"url":null,"abstract":"[4233-33-4] C8H5N3O2 (MW 175.16) \n \n \n \n \n \nInChI = 1S/C8H5N3O2/c12-7-9-10-8(13)11(7)6-4-2-1-3-5-6/h1-5H \n \n \n \nInChIKey = ISULLEUFOQSBGY-UHFFFAOYSA-N \n \n \n \n(highly reactive dienophile and enophile) \n \n \n \nAlternate Names: PTAD; N-phenyl-1,2,4-triazoline-3,5-dione. \n \n \n \nPhysical Data: mp 179 °C (dec).2 \n \n \n \nForm Supplied in: PTAD and 4-methyl-1,2,4-triazoline-3,5-dione (MTAD) [13274-43-6]) are widely available commercially. \n \n \n \nPreparative Methods: there are several reported preparations,2-9 particularly for the in situ preparation. \n \n \n \nHandling, Storage, and Precautions: normal precautions against exposure to moisture and air; reacts with alcohols and water.","PeriodicalId":11669,"journal":{"name":"Encyclopedia of Reagents for Organic Synthesis","volume":"20 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2001-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Encyclopedia of Reagents for Organic Synthesis","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1002/047084289X.RP139","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
[4233-33-4] C8H5N3O2 (MW 175.16)
InChI = 1S/C8H5N3O2/c12-7-9-10-8(13)11(7)6-4-2-1-3-5-6/h1-5H
InChIKey = ISULLEUFOQSBGY-UHFFFAOYSA-N
(highly reactive dienophile and enophile)
Alternate Names: PTAD; N-phenyl-1,2,4-triazoline-3,5-dione.
Physical Data: mp 179 °C (dec).2
Form Supplied in: PTAD and 4-methyl-1,2,4-triazoline-3,5-dione (MTAD) [13274-43-6]) are widely available commercially.
Preparative Methods: there are several reported preparations,2-9 particularly for the in situ preparation.
Handling, Storage, and Precautions: normal precautions against exposure to moisture and air; reacts with alcohols and water.
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