发布求助
文献互助 智能选刊 最新文献

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

筛选
英文 中文
Lead tetra-acetate oxidation of NN-dimethylglycine and its relevance to the biosynthesis of the pyrrolidine ring of nicotine n -二甲基甘氨酸的四乙酸铅氧化及其与尼古丁吡咯烷环生物合成的关系
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710001524
E. Leete
{"title":"Lead tetra-acetate oxidation of NN-dimethylglycine and its relevance to the biosynthesis of the pyrrolidine ring of nicotine","authors":"E. Leete","doi":"10.1039/C29710001524","DOIUrl":"https://doi.org/10.1039/C29710001524","url":null,"abstract":"A degradative sequence which has been used to determine the distribution of radioactivity in the pyrrolidine of nicotine involves, as one of the steps, the oxidation of NN-dimethylglycine with lead tetra-acetate; the formaldehyde produced in this reaction, formerly thought to originate entirely from C-2, has been shown to be derived in appreciable amounts from the N-methyl groups.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"72 1","pages":"1524-1525"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84175712","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
Raman spectrum and factor group analysis of crystalline titanium tetrachloride 晶体四氯化钛的拉曼光谱及因子群分析
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000201
R. Clark, B. K. Hunter, C. J. Willis
{"title":"Raman spectrum and factor group analysis of crystalline titanium tetrachloride","authors":"R. Clark, B. K. Hunter, C. J. Willis","doi":"10.1039/C29710000201","DOIUrl":"https://doi.org/10.1039/C29710000201","url":null,"abstract":"The Raman spectrum of crystalline titanium tetrachloride has been obtained at ca. 77K, and a factor group analysis of the fundamentals is presented in terms of the known space group C2h5.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"196 1","pages":"201-202"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77771252","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
Direct measurement of enantiomerization of labile aluminium(III)β-diketonates 不稳定β-二酮酸铝(III)对映异构化的直接测定
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000085
Berardo Jurado, C. Springer
{"title":"Direct measurement of enantiomerization of labile aluminium(III)β-diketonates","authors":"Berardo Jurado, C. Springer","doi":"10.1039/C29710000085","DOIUrl":"https://doi.org/10.1039/C29710000085","url":null,"abstract":"Dynamic n.m.r. studies of tris-(2,6-dimethylheptane-3,5-dionato)aluminium(III), and bis(pentane-2,4-dionato)-(2,6-dimethylheptane-3,5-dionato)aluminium(III) give proof of the rapid enantiomerization of these complexes.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"10 1","pages":"85-87"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78085591","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: 9
Effect of changing oxidation state on the metal–ligand vibrations of [Cr(2,2′-bipyridyl)3]n+ type complexes 改变氧化态对[Cr(2,2′-联吡啶基)3]n+型配合物金属配体振动的影响
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710001007
J. Takemoto, B. Hutchinson, K. Nakamoto
{"title":"Effect of changing oxidation state on the metal–ligand vibrations of [Cr(2,2′-bipyridyl)3]n+ type complexes","authors":"J. Takemoto, B. Hutchinson, K. Nakamoto","doi":"10.1039/C29710001007","DOIUrl":"https://doi.org/10.1039/C29710001007","url":null,"abstract":"In the series of tris-(2,2′-bipyridyl) complexes of chromium, the Cr–N stretching frequencies change very little by changing the oxidation state of chromium from III to 0, this unexpected result indicating that the strength of the Cr–N bond does not change appreciably over a wide change in the oxidation state of chromium.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"21 1","pages":"1007-1008"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72851201","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–oxygen distances in synthetic oxygen carriers. The crystal and molecular structure of the oxygen adduct of bis(diphenylethylphosphine)chlorocarbonyliridium(I) 合成氧载体中的氧-氧距离。二(二苯乙基膦)氯羰基liridium(I)氧加合物的晶体和分子结构
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710001172
M. Weininger, I. Taylor, E. L. Amma
{"title":"Oxygen–oxygen distances in synthetic oxygen carriers. The crystal and molecular structure of the oxygen adduct of bis(diphenylethylphosphine)chlorocarbonyliridium(I)","authors":"M. Weininger, I. Taylor, E. L. Amma","doi":"10.1039/C29710001172","DOIUrl":"https://doi.org/10.1039/C29710001172","url":null,"abstract":"The crystal structure of dioxygen–bis(diphenylethylphosphine)chlorocarbonyliridium(I) has been shown to consist of trans-trigonal bipyramidal molecules with an O–O distance of 1·461 (14)A.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"4 1","pages":"1172-1173"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72898723","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
A two-step synthesis of the pregnane and corticoid side-chains 孕激素和皮质激素侧链的两步合成
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710001322
M. Biollaz, W. Haefliger, E. Velarde, P. Crabbé, J. Fried
{"title":"A two-step synthesis of the pregnane and corticoid side-chains","authors":"M. Biollaz, W. Haefliger, E. Velarde, P. Crabbé, J. Fried","doi":"10.1039/C29710001322","DOIUrl":"https://doi.org/10.1039/C29710001322","url":null,"abstract":"Zinc converts the 17α-ethynyl carbinol acetate (1) by a reductive process accompanied by rearrangement and elimination, into the allenyl steroid (2a), a useful intermediate for the preparation of the corticoid chain by osmylation, and of 17α-hydroxy-20-oxo-pregnanes by peracid oxidation.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"24 1","pages":"1322-1323"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73401494","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
Effect of intramolecular exciplex formation upon the photoreactivity of naphthylalkylamines and anthrylalkylamines 分子内杂络合物形成对萘烷基胺和蒽烷基胺光反应性的影响
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710001385
D. Brimage, R. Davidson
{"title":"Effect of intramolecular exciplex formation upon the photoreactivity of naphthylalkylamines and anthrylalkylamines","authors":"D. Brimage, R. Davidson","doi":"10.1039/C29710001385","DOIUrl":"https://doi.org/10.1039/C29710001385","url":null,"abstract":"Several NN-diethyl-1-naphthylalkylamines and NN-diethyl-9-anthrylalkylamines exhibit intramolecular exciplex formation and as a result reactions typical of the hydrocarbon singlet states, e.g. hydrogen abstraction from tertiary amines and dimerisation, are quenched.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"184 1","pages":"1385-1386"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76639154","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: 18
Epoxyannelation with 1,4-dichloro-butan-2-one 与1,4-二氯丁烷-2- 1环氧化
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000367
S. Danishefsky, G. Koppel
{"title":"Epoxyannelation with 1,4-dichloro-butan-2-one","authors":"S. Danishefsky, G. Koppel","doi":"10.1039/C29710000367","DOIUrl":"https://doi.org/10.1039/C29710000367","url":null,"abstract":"The reaction of carbanions of β-ketoesters and β-diketones with 1,4-dichloro-butan-2-one leads to epoxyannelation and annelated chlorohydrins.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"21 1","pages":"367-367"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76648465","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
A ready method of assignment for 13C nuclear magnetic resonance spectra: the complete assignment of the 13C spectrum of borneol 核磁共振13C谱的一种现成的赋值方法:冰片13C谱的完整赋值
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000364
J. Briggs, F. A. Hart, G. P. Moss, E. W. Randall
{"title":"A ready method of assignment for 13C nuclear magnetic resonance spectra: the complete assignment of the 13C spectrum of borneol","authors":"J. Briggs, F. A. Hart, G. P. Moss, E. W. Randall","doi":"10.1039/C29710000364","DOIUrl":"https://doi.org/10.1039/C29710000364","url":null,"abstract":"Paramagnetic shifts induced in the 13C n.m.r. spectrum of borneol by tris-(2,2,6,6-tetramethylheptanedionato)praseodymium, Pr(tmhd), have been used in a total assignment; these shifts and those induced by the corresponding europium and terbium complexes agree well with values calculated on the basis that their origin is of a pseudo-contact nature.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"258 1","pages":"364-365"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76692332","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: 23
De-alkylation reactions of alkylcobaloxime complexes with mercury(II) 烷基钴肟配合物与汞的脱烷基反应(ⅱ)
Journal of The Chemical Society D: Chemical Communications Pub Date : 1971-01-01 DOI: 10.1039/C29710000653
A. Adin, J. Espenson
{"title":"De-alkylation reactions of alkylcobaloxime complexes with mercury(II)","authors":"A. Adin, J. Espenson","doi":"10.1039/C29710000653","DOIUrl":"https://doi.org/10.1039/C29710000653","url":null,"abstract":"The kinetics of the reactions of a series of alkylcobaloxime complexes with the mercury(II) ion, in which alkylmercury(II) ions are formed, suggests a bimolecular mechanism of electrophilic substitution.","PeriodicalId":17278,"journal":{"name":"Journal of The Chemical Society D: Chemical Communications","volume":"25 1","pages":"653-654"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76741697","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: 21
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信