Pub Date : 2001-04-15DOI: 10.1002/047084289X.RP139
J. M. Takacs
[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.
{"title":"4‐Phenyl‐1,2,4‐Triazoline‐3,5‐Dione","authors":"J. M. Takacs","doi":"10.1002/047084289X.RP139","DOIUrl":"https://doi.org/10.1002/047084289X.RP139","url":null,"abstract":"[4233-33-4] C8H5N3O2 (MW 175.16) \u0000 \u0000 \u0000 \u0000 \u0000 \u0000InChI = 1S/C8H5N3O2/c12-7-9-10-8(13)11(7)6-4-2-1-3-5-6/h1-5H \u0000 \u0000 \u0000 \u0000InChIKey = ISULLEUFOQSBGY-UHFFFAOYSA-N \u0000 \u0000 \u0000 \u0000(highly reactive dienophile and enophile) \u0000 \u0000 \u0000 \u0000Alternate Names: PTAD; N-phenyl-1,2,4-triazoline-3,5-dione. \u0000 \u0000 \u0000 \u0000Physical Data: mp 179 °C (dec).2 \u0000 \u0000 \u0000 \u0000Form Supplied in: PTAD and 4-methyl-1,2,4-triazoline-3,5-dione (MTAD) [13274-43-6]) are widely available commercially. \u0000 \u0000 \u0000 \u0000Preparative Methods: there are several reported preparations,2-9 particularly for the in situ preparation. \u0000 \u0000 \u0000 \u0000Handling, 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":0.0,"publicationDate":"2001-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87316181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2001-04-15DOI: 10.1002/047084289X.RM038
E. Leahy
[21908-53-2] HgO (MW 216.59) InChI = 1S/Hg.O InChIKey = UKWHYYKOEPRTIC-UHFFFAOYSA-N (promotion of thio-Claisen rearrangement;2 deprotection of dithianes, dithiolanes,3 thioorthoesters;4 synthesis of tetrahydrofurans;5 oxidizing agent6-18) Alternate Name: mercuric oxide. Physical Data: mp 500 °C (dec); d 11.14 g cm−3. Solubility: sol dilute HCl, HNO3; insol water, ethanol. Form Supplied in: commercially available in both yellow and red crystalline forms. Handling, Storage, and Precautions: highly toxic; oxidizer; protect from light.
Pub Date : 1900-01-01DOI: 10.1002/047084289x.rn02385
Vikas Sikervar
{"title":"Potassium Dodecanoate","authors":"Vikas Sikervar","doi":"10.1002/047084289x.rn02385","DOIUrl":"https://doi.org/10.1002/047084289x.rn02385","url":null,"abstract":"","PeriodicalId":11669,"journal":{"name":"Encyclopedia of Reagents for Organic Synthesis","volume":"92 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74543076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1002/047084289x.rn02383
Vikas Sikervar
{"title":"N\u0000 ‐Acetylguanidine","authors":"Vikas Sikervar","doi":"10.1002/047084289x.rn02383","DOIUrl":"https://doi.org/10.1002/047084289x.rn02383","url":null,"abstract":"","PeriodicalId":11669,"journal":{"name":"Encyclopedia of Reagents for Organic Synthesis","volume":"15 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74768012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1002/047084289x.rn02382
Vikas Sikervar
{"title":"1,3‐Di‐Boc‐2‐(trifluoromethanesulfonyl)guanidine","authors":"Vikas Sikervar","doi":"10.1002/047084289x.rn02382","DOIUrl":"https://doi.org/10.1002/047084289x.rn02382","url":null,"abstract":"","PeriodicalId":11669,"journal":{"name":"Encyclopedia of Reagents for Organic Synthesis","volume":"36 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89779044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1002/047084289x.rn02387
Vikas Sikervar
{"title":"Sodium 2‐Methyl‐2‐Propanethiolate","authors":"Vikas Sikervar","doi":"10.1002/047084289x.rn02387","DOIUrl":"https://doi.org/10.1002/047084289x.rn02387","url":null,"abstract":"","PeriodicalId":11669,"journal":{"name":"Encyclopedia of Reagents for Organic Synthesis","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86927624","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1002/047084289x.rn02314
H. Lebel
{"title":"Tetramethylchloroformamidinium Hexafluorophosphate","authors":"H. Lebel","doi":"10.1002/047084289x.rn02314","DOIUrl":"https://doi.org/10.1002/047084289x.rn02314","url":null,"abstract":"","PeriodicalId":11669,"journal":{"name":"Encyclopedia of Reagents for Organic Synthesis","volume":"24 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75177797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1002/047084289x.rn02367
Junichiro Kanazawa, M. Uchiyama
{"title":"1,3,2‐Dioxaborolane, 2‐[3‐(Dimethylphenylsilyl)bicyclo[1.1.1]pent‐1‐yl]‐4,4,5,5‐tetramethyl‐","authors":"Junichiro Kanazawa, M. Uchiyama","doi":"10.1002/047084289x.rn02367","DOIUrl":"https://doi.org/10.1002/047084289x.rn02367","url":null,"abstract":"","PeriodicalId":11669,"journal":{"name":"Encyclopedia of Reagents for Organic Synthesis","volume":"58 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72581537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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