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Journal of The Chemical Society D: Chemical Communications最新文献

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Infrared evidence for complex hydrogen bonded cations 复杂氢键阳离子的红外证据
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710001530
R. Clements, F. N. Masri, J. Wood
{"title":"Infrared evidence for complex hydrogen bonded cations","authors":"R. Clements, F. N. Masri, J. Wood","doi":"10.1039/C29710001530","DOIUrl":"https://doi.org/10.1039/C29710001530","url":null,"abstract":"The occurrence of a wide range of stable complex cations formed by the hydrogen bonding of two or more non-heterocyclic bases has been demonstrated by vibrational spectroscopy.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"37 1","pages":"1530-1532"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73213883","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}
引用次数: 4
The displacement of alkyl side-chains from ortho-quinones 邻醌的烷基侧链位移
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C2971000222A
W. Horspool, P. Smith, J. Tedder
{"title":"The displacement of alkyl side-chains from ortho-quinones","authors":"W. Horspool, P. Smith, J. Tedder","doi":"10.1039/C2971000222A","DOIUrl":"https://doi.org/10.1039/C2971000222A","url":null,"abstract":"Treatment of 4-alkyl-1,2-benzoquinones with p-anisidine in methanol solution results in displacement of the 4-alkyl group by a p-anisdinyl group.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"63 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75369287","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}
引用次数: 3
Total synthesis of (±)-fenchone, a synthesis of (+)-fenchone and of (+)-cis-2,2,5-trimethyl-3-vinylcyclopentanone, a photoisomer of (–)-trans-caran-4-one (±)-芬屈酮的合成，(+)-芬屈酮和(+)-顺式-2,2,5-三甲基-3-乙烯基环戊酮的合成，(-)-反式-4-酮的光异构体
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000395
P. Boyle, W. Cocker, D. H. Grayson, P. Shannon
{"title":"Total synthesis of (±)-fenchone, a synthesis of (+)-fenchone and of (+)-cis-2,2,5-trimethyl-3-vinylcyclopentanone, a photoisomer of (–)-trans-caran-4-one","authors":"P. Boyle, W. Cocker, D. H. Grayson, P. Shannon","doi":"10.1039/C29710000395","DOIUrl":"https://doi.org/10.1039/C29710000395","url":null,"abstract":"(+)-cis-3-(2-Hydroxyethyl)-2,2,5-trimethyl-cyclopentanone and its racemic form are synthesised from (+)-α-2,3-epoxypinane or (–)-trans-pinocarveol, and (±)-2,2,5-trimethyl-1-oxocyclopentane-3-carboxylic acid, respectively; treatment with base of the chloroketone, derived from the (+)-hydroxyketone, affords (+)-fenchone, while pyrolysis of the (+)-acetoxyketone gives (+)-cis-2,2,5-trimethyl-3-vinylcyclopentanone, the latter and its trans-isomer being photo-products of (–)-trans-and (–)-cis-caran-4-one, respectively.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"174 1","pages":"395-396"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75447988","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}
引用次数: 3
Assignment of configuration to 2,2,3,4,4-pentamethylphosphetan oxides using tris(dipivalomethanato)europium(III) 三(二溴甲基甲烷)铕(III)对2,2,3,4,4-五甲基磷酸基氧化物的构型赋值
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000721
J. Corfield, S. Trippett
{"title":"Assignment of configuration to 2,2,3,4,4-pentamethylphosphetan oxides using tris(dipivalomethanato)europium(III)","authors":"J. Corfield, S. Trippett","doi":"10.1039/C29710000721","DOIUrl":"https://doi.org/10.1039/C29710000721","url":null,"abstract":"cis- and trans-isomers of 2,2,3,4,4-pentamethyl-phosphetan oxides can be distinguished by the paramagnetic shifts of the respective 3-protons in their n.m.r. spectra in the presence of tris(dipivalomethanato) europium(III), Eu(DPM)3.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"42 1","pages":"721-722"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75596438","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}
引用次数: 11
Ligand dependency in the transition-metal-promoted rearrangements of derivatives of bicyclo[1,1,0]butane 过渡金属促进的双环[1,1,0]丁烷衍生物重排中的配体依赖性
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000842
P. G. Gassman, G. Meyer, F. J. Williams
{"title":"Ligand dependency in the transition-metal-promoted rearrangements of derivatives of bicyclo[1,1,0]butane","authors":"P. G. Gassman, G. Meyer, F. J. Williams","doi":"10.1039/C29710000842","DOIUrl":"https://doi.org/10.1039/C29710000842","url":null,"abstract":"The mode of cleavage of 1,2,2-trimethylbicyclo-[1,1,0]butane is shown to be dependent on the nature of the ligands attached to the transition-metal catalysts.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"31 1","pages":"842-843"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75600874","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}
引用次数: 6
Non-enzymatic models of NADH action–importance of hydrogen-bonding in the enzyme-coenzyme-substrate complex NADH作用的非酶模型——酶-辅酶-底物复合体中氢键的重要性
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000552
U. Pandit, F. R. M. Cabré
{"title":"Non-enzymatic models of NADH action–importance of hydrogen-bonding in the enzyme-coenzyme-substrate complex","authors":"U. Pandit, F. R. M. Cabré","doi":"10.1039/C29710000552","DOIUrl":"https://doi.org/10.1039/C29710000552","url":null,"abstract":"Hydrogen-bonding in o-hydroxybenzaldehyde activates the carbonyl function towards reduction by Hantzsch ester (I); the mechanism of NADH action.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"329 1","pages":"552-552"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74058387","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}
引用次数: 11
Stereospecificity and catalysis via chelation in Grignard reactions of some β-hydroxy-ketones 某些β-羟基酮在格氏反应中的立体专一性和螯合催化作用
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000398
E. Ghera, S. Shoua
{"title":"Stereospecificity and catalysis via chelation in Grignard reactions of some β-hydroxy-ketones","authors":"E. Ghera, S. Shoua","doi":"10.1039/C29710000398","DOIUrl":"https://doi.org/10.1039/C29710000398","url":null,"abstract":"Chelation in the transition state affects Grignard reactions with 2-α-hydroxyalkyl-(or α-hydroxyaryl)-cyclopentanones and 2-benzoyl-(or acyl)-cyclopentanols.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"1 1","pages":"398-399"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74151438","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}
引用次数: 0
Dioxabenzofluorophospholes containing more than one fluorine atom bonded to phosphorus 含有一个以上与磷键合的氟原子的二恶苯并氟磷孔
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710001452
M. Eisenhut, R. Schmutzler
{"title":"Dioxabenzofluorophospholes containing more than one fluorine atom bonded to phosphorus","authors":"M. Eisenhut, R. Schmutzler","doi":"10.1039/C29710001452","DOIUrl":"https://doi.org/10.1039/C29710001452","url":null,"abstract":"The preparation and n.m.r. spectra of di- and tri-fluorophosphoranes, containing the 2,4-di-t-butyl-catechol ring system linked to five-co-ordinate phosphorus, are described.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"78 1","pages":"1452-1453"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74177819","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}
引用次数: 3
Partial synthesis of mexicanolide from 7-oxo-7-deacetoxykhivorin 从 7-oxo-7-deacetoxykhivorin 部分合成 mexicanolide
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000017
J. D. Connolly, Ian M. S. Thornton, D. Taylor
{"title":"Partial synthesis of mexicanolide from 7-oxo-7-deacetoxykhivorin","authors":"J. D. Connolly, Ian M. S. Thornton, D. Taylor","doi":"10.1039/C29710000017","DOIUrl":"https://doi.org/10.1039/C29710000017","url":null,"abstract":"7-Oxo-7-deacetoxykhivorin has been transformed into the diene-lactone (XI), a postulated biogenetic precursor of the bicyclonanolide group of tetranortriterpenoids, which when treated with very mild base readily undergoes intramolecular Michael addition to give mexicanolide (XII).","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"23 1","pages":"17-18"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74183546","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}
引用次数: 6
New synthesis of 1,2,3-triazoles 1,2,3-三唑的新合成方法
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000532
C. Rees, A. A. Sale
{"title":"New synthesis of 1,2,3-triazoles","authors":"C. Rees, A. A. Sale","doi":"10.1039/C29710000532","DOIUrl":"https://doi.org/10.1039/C29710000532","url":null,"abstract":"Treatment of 1,2,4-triazin-3(2H)-ones with ethereal, chloramine at room temperatures gives 1,2,3-triazoles in high yield.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"47 1","pages":"532-532"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74208773","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}
引用次数: 5
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