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

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Crystal structure and chemistry of nitrilohexaphosphonitrilic chloride 氮六磷三氯的晶体结构和化学性质
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000357
W. Harrison, R. T. Oakley, N. Paddock, J. Trotter
{"title":"Crystal structure and chemistry of nitrilohexaphosphonitrilic chloride","authors":"W. Harrison, R. T. Oakley, N. Paddock, J. Trotter","doi":"10.1039/C29710000357","DOIUrl":"https://doi.org/10.1039/C29710000357","url":null,"abstract":"Nitrilohexaphosphonitrilic chloride P6N7Cl9 has a condensed ring structure with comparatively weak central bonds, one of which is broken on reaction with dimethylamine.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"59 1","pages":"357-358"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76811457","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: 1
Novel synthesis of 8,2′-thioanhydropurine nucleosides 新型合成8,2 ' -硫代氢嘌呤核苷
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000890
K. K. Ogilvie, L. Slotin
{"title":"Novel synthesis of 8,2′-thioanhydropurine nucleosides","authors":"K. K. Ogilvie, L. Slotin","doi":"10.1039/C29710000890","DOIUrl":"https://doi.org/10.1039/C29710000890","url":null,"abstract":"The synthesis of 8,2′-thioanhydroadenosine illustrates a new general route to the synthesis of 8,2′-thioanhydropurine nucleosides.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"58 1","pages":"890-890"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76960136","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
Oxygen insertion reactions. A re-investigation of the reaction of chromium pentoxide etherate with tetracyclone 氧插入反应。五氧化二铬醚与四旋龙反应的再研究
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710001407
J. Baldwin, J. Swallow, H. Chan
{"title":"Oxygen insertion reactions. A re-investigation of the reaction of chromium pentoxide etherate with tetracyclone","authors":"J. Baldwin, J. Swallow, H. Chan","doi":"10.1039/C29710001407","DOIUrl":"https://doi.org/10.1039/C29710001407","url":null,"abstract":"In contradiction to an earlier report we have found that chromium pentoxide etherate solution oxidises tetraphenylcyclopentadienone to a known keto-lactone, which can be obtained more efficiently by chromic acid oxidation; we have been unable to prepare the earlier claimed peroxide.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"17 1","pages":"1407-1408"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82583706","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: 24
Constituents of labiatae. Anagadiol, a new triterpene from Salvia Broussonetii benth
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000567
Antonio G. González, J. Bretón, B. Fraga
{"title":"Constituents of labiatae. Anagadiol, a new triterpene from Salvia Broussonetii benth","authors":"Antonio G. González, J. Bretón, B. Fraga","doi":"10.1039/C29710000567","DOIUrl":"https://doi.org/10.1039/C29710000567","url":null,"abstract":"Chemical and spectral evidence for the 1β,3β-dihydroxyolean-18-ene structure of anagadiol (I), a new triterpene isolated from the aerial parts of Salvia Broussonetii Benth., are reported.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"94 1","pages":"567-568"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81776570","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: 8
Synthesis of substituted α-methylene lactones: determination of product structure by X-ray crystallography 取代α-亚甲基内酯的合成:用x射线晶体学测定产物结构
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000384
O. Chapman, C. L. Mcintosh, J. Clardy
{"title":"Synthesis of substituted α-methylene lactones: determination of product structure by X-ray crystallography","authors":"O. Chapman, C. L. Mcintosh, J. Clardy","doi":"10.1039/C29710000384","DOIUrl":"https://doi.org/10.1039/C29710000384","url":null,"abstract":"Lactones (Ia–c) undergo a ready, completely stereoselective thermal reaction with 1,1-dimethoxyethylene giving substituted α-methylene lactones in good yield.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"15 1","pages":"384-385"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82084011","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: 2
γ-Radiolysis of gaseous carbon dioxide at high densities γ-气体二氧化碳在高密度下的辐射分解
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000980
M. Yoshimura, M. Chosa, Y. Soma, M. Nishikawa
{"title":"γ-Radiolysis of gaseous carbon dioxide at high densities","authors":"M. Yoshimura, M. Chosa, Y. Soma, M. Nishikawa","doi":"10.1039/C29710000980","DOIUrl":"https://doi.org/10.1039/C29710000980","url":null,"abstract":"G(CO) from γ-irradiated gaseous carbon dioxide at 50 ± 1 °C showed a marked increase with density increase above 0·2 g/ml, owing to the increased probability of geminate recombination of ion pairs at high densities.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"42 1","pages":"980-981"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82333141","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
Hindered rotation in ortho-bis(dichloromethyl)benzenes 邻双(二氯甲基)苯的旋转受阻
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000553
V. Mark, V. A. Pattison
{"title":"Hindered rotation in ortho-bis(dichloromethyl)benzenes","authors":"V. Mark, V. A. Pattison","doi":"10.1039/C29710000553","DOIUrl":"https://doi.org/10.1039/C29710000553","url":null,"abstract":"A study of internal rotation in ortho-bis(dichloromethyl)benzenes by 1H n.m.r. spectroscopy shows the presence of locked conformers on the n.m.r. time scale when these substituents are flanked on one or both sides by chlorine of additional dichloromethyl groups, and that in cases where a chlorine is substituted on both sides of two ortho-bis(dichloromethyl)groups ΔG‡ at Tc is 17·4–17·7 kcal mol–1.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"18 1","pages":"553-554"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78781470","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
The crystal and molecular structures (at –40 °C) of the tetrabenzyls of titanium, hafnium, and tin 钛、铪和锡的四酶的晶体和分子结构(在-40°C时
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710001511
G. Davies, J. Jarvis, B. T. Kilbourn
{"title":"The crystal and molecular structures (at –40 °C) of the tetrabenzyls of titanium, hafnium, and tin","authors":"G. Davies, J. Jarvis, B. T. Kilbourn","doi":"10.1039/C29710001511","DOIUrl":"https://doi.org/10.1039/C29710001511","url":null,"abstract":"Tetrabenzylhafnium has a molecular structure identical to that of tetrabenzylzirconium with a distorted tetrahedral arrangement of ligands around the metal and angles at the methylene carbons of around 90°; tetrabenzyltitanium shows a similar distortion from a tetrahedral arrangement but the angle M–CH2–C now averages 103°; an interacation between the aromatic ring and the transition-metal atoms is suggested to account for the distortion; in contrast, tetrabenzyltin has a perfectly regular structure.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"11 1","pages":"1511-1512"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78900455","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: 41
Photo-oxidation of amines: a reply 胺的光氧化:一个答复
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000663
M. Fisch, J. Gramain, J. Olesen
{"title":"Photo-oxidation of amines: a reply","authors":"M. Fisch, J. Gramain, J. Olesen","doi":"10.1039/C29710000663","DOIUrl":"https://doi.org/10.1039/C29710000663","url":null,"abstract":"","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"17 1","pages":"663-663"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76099214","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: 10
Photochemistry of pyridine N-oxides. Chemical properties of single and triplet excited states 吡啶n -氧化物的光化学。单态和三重态激发态的化学性质
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000456
F. Bellamy, Luis Guillermo Ruiz Barragan, J. Streith
{"title":"Photochemistry of pyridine N-oxides. Chemical properties of single and triplet excited states","authors":"F. Bellamy, Luis Guillermo Ruiz Barragan, J. Streith","doi":"10.1039/C29710000456","DOIUrl":"https://doi.org/10.1039/C29710000456","url":null,"abstract":"Sensitization of the pyridine N-oxide triplet state increases the extent of oxygen transfer reactions, whereas quenching with a copper salt in aqueous solution increases the extent of photorearrangement.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"1 1","pages":"456-456"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86925668","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: 2
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