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The rôle of cations in low power radio frequency plasmas of propenoic acid 丙烯酸低功率射频等离子体中阳离子的rôle
Journal of The Chemical Society, Chemical Communications Pub Date : 1995-01-01 DOI: 10.1039/C39950001053
A. J. Beck, L. O'toole, R. Short, A. P. Ameen, F. Jones
{"title":"The rôle of cations in low power radio frequency plasmas of propenoic acid","authors":"A. J. Beck, L. O'toole, R. Short, A. P. Ameen, F. Jones","doi":"10.1039/C39950001053","DOIUrl":"https://doi.org/10.1039/C39950001053","url":null,"abstract":"In radio frequency (RF) sustained plasmas of propenoic (‘acrylic’) acid, trimeric cations are detected by MS, and their concentration correlates with retention of acid functionality in the polymer product.","PeriodicalId":17282,"journal":{"name":"Journal of The Chemical Society, Chemical Communications","volume":"23 1","pages":"1053-1054"},"PeriodicalIF":0.0,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85574169","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
Regioselective N-alkylation of imidazoles with alcohols over zeolites 咪唑与醇在沸石上的区域选择性n -烷基化反应
Journal of The Chemical Society, Chemical Communications Pub Date : 1995-01-01 DOI: 10.1039/C39950000009
Y. Ono, Y. Izawa, Zi-hua Fu
{"title":"Regioselective N-alkylation of imidazoles with alcohols over zeolites","authors":"Y. Ono, Y. Izawa, Zi-hua Fu","doi":"10.1039/C39950000009","DOIUrl":"https://doi.org/10.1039/C39950000009","url":null,"abstract":"Vapour-phase alkylation of 4(5)-methylimidazole with MeOH over Y-zeolites selectivity gave 1,5-dimethylimidazole in high yield, while the Alkylation over Beta-zeolite gave 1,4-dimethylimidazole predominatly","PeriodicalId":17282,"journal":{"name":"Journal of The Chemical Society, Chemical Communications","volume":"59 1","pages":"9-9"},"PeriodicalIF":0.0,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85978838","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
5-BROMOPENTADIENAL : A VERSATILE INTERMEDIATE FOR THE SYNTHESIS OF FUNCTIONALIZED POLYENIC COMPOUNDS 5-溴戊二烯醛:合成功能化多烯化合物的多功能中间体
Journal of The Chemical Society, Chemical Communications Pub Date : 1995-01-01 DOI: 10.1039/C39950000563
D. Soullez, G. Plé, L. Duhamel, P. Duhamel
{"title":"5-BROMOPENTADIENAL : A VERSATILE INTERMEDIATE FOR THE SYNTHESIS OF FUNCTIONALIZED POLYENIC COMPOUNDS","authors":"D. Soullez, G. Plé, L. Duhamel, P. Duhamel","doi":"10.1039/C39950000563","DOIUrl":"https://doi.org/10.1039/C39950000563","url":null,"abstract":"5-Bromopentadienal 1b(n= 2), easily obtained from the potassium glutaconaldehyde salt, is used as precursor of ω-bromoheptatrienal 1d, ω-bromomethoxyhexatriene 2, diene diols 4, diene diones 5, 1,6-dibromohexa-1,3,5-triene 6 and 1,8 triene diol 8, of controlled configuration.","PeriodicalId":17282,"journal":{"name":"Journal of The Chemical Society, Chemical Communications","volume":"10 1","pages":"563-564"},"PeriodicalIF":0.0,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76266601","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: 14
NMR studies of the electronic structure of low-spin iron(III) phosphonite complexes: unusual (dxz, dyz)4(dxy)1 configuration 低自旋铁(III)膦酸盐配合物电子结构的核磁共振研究:异常(dxz, dyz)4(dxy)1构型
Journal of The Chemical Society, Chemical Communications Pub Date : 1995-01-01 DOI: 10.1039/C39950002093
M. Guillemot, G. Simonneaux
{"title":"NMR studies of the electronic structure of low-spin iron(III) phosphonite complexes: unusual (dxz, dyz)4(dxy)1 configuration","authors":"M. Guillemot, G. Simonneaux","doi":"10.1039/C39950002093","DOIUrl":"https://doi.org/10.1039/C39950002093","url":null,"abstract":"Complexation of dimethylphenylphosphonite to (5,10,15,20-tetraphenylporphyrinato)iron(III) yields a low-spin derivative [Fe(tpp){P(OMe)2Ph}2]ClO4, showing NMR and EPR properties consistent with an iron(III) ion in the unusual ground-state configuration(dxy,dyz)4(dxy)1.","PeriodicalId":17282,"journal":{"name":"Journal of The Chemical Society, Chemical Communications","volume":"12 1","pages":"2093-2094"},"PeriodicalIF":0.0,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79520011","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
Concise enantiocontrolled synthesis of the A-ring precursor of calcitriol from the chiral cyclohexadienone synthon 手性环己二酮合成骨化三醇a环前体的简明对映控制合成
Journal of The Chemical Society, Chemical Communications Pub Date : 1995-01-01 DOI: 10.1039/C39950001951
T. Kamikubo, K. Ogasawara*
{"title":"Concise enantiocontrolled synthesis of the A-ring precursor of calcitriol from the chiral cyclohexadienone synthon","authors":"T. Kamikubo, K. Ogasawara*","doi":"10.1039/C39950001951","DOIUrl":"https://doi.org/10.1039/C39950001951","url":null,"abstract":"A new and concise enantiocontrolled route to the A-ring precursor of calcitriol is developed by utilizing the chiral cyclohexane-2,5-dienone synthon.","PeriodicalId":17282,"journal":{"name":"Journal of The Chemical Society, Chemical Communications","volume":"1 1","pages":"1951-1952"},"PeriodicalIF":0.0,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82051764","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
Crystallization of 4,4′-biphenyldicarbonitrile with silver(I) salts: a change in topology concomitant with a change in counterion leading to a ninefold diamondoid network 4,4 ' -联苯二腈与银(I)盐的结晶:拓扑结构的变化伴随着反离子的变化，导致了九倍金刚石网络
Journal of The Chemical Society, Chemical Communications Pub Date : 1995-01-01 DOI: 10.1039/C39950002199
Keith A. Hirsch, D. Venkataraman, S. Wilson, Jeffrey S. Moore, Stephen Lee
{"title":"Crystallization of 4,4′-biphenyldicarbonitrile with silver(I) salts: a change in topology concomitant with a change in counterion leading to a ninefold diamondoid network","authors":"Keith A. Hirsch, D. Venkataraman, S. Wilson, Jeffrey S. Moore, Stephen Lee","doi":"10.1039/C39950002199","DOIUrl":"https://doi.org/10.1039/C39950002199","url":null,"abstract":"The preparation and X-ray crystal structures of two coordination networks [Ag(BPCN)(CF3SO3)]·C6H61 and [Ag(BPCN)2]PF6 2 (BPCN = 4,4′-biphenyldicarbonitrile) are described; 1 consists of infinite chains; however, 2 exists as a ninefold interpenetrated diamondoid network.","PeriodicalId":17282,"journal":{"name":"Journal of The Chemical Society, Chemical Communications","volume":"73 1","pages":"2199-2200"},"PeriodicalIF":0.0,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85498237","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: 57
Ionochromic effects in regioregular ether-substituted polythiophenes 区域规则醚取代多噻吩的离子变色效应
Journal of The Chemical Society, Chemical Communications Pub Date : 1995-01-01 DOI: 10.1039/C39950002293
I. Lévesque, M. Leclerc
{"title":"Ionochromic effects in regioregular ether-substituted polythiophenes","authors":"I. Lévesque, M. Leclerc","doi":"10.1039/C39950002293","DOIUrl":"https://doi.org/10.1039/C39950002293","url":null,"abstract":"Solutions of, a polythiophene derivative bearing oligo(oxyethylene) side-chains show interesting chromic effects upon the addition of alkali metal ions which may lead to the development of novel ionoselective sensors.","PeriodicalId":17282,"journal":{"name":"Journal of The Chemical Society, Chemical Communications","volume":"42 1","pages":"2293-2294"},"PeriodicalIF":0.0,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85540312","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: 27
Facile syntheses of gem-difluoroalkenes from chlorodifluoromethylketones 由氯二氟甲基酮快速合成宝石二氟烯烃
Journal of The Chemical Society, Chemical Communications Pub Date : 1995-01-01 DOI: 10.1039/C39950001857
J. Bégué, D. Bonnet‐Delpon, J. Percy, M. Rock, R. Wilkes
{"title":"Facile syntheses of gem-difluoroalkenes from chlorodifluoromethylketones","authors":"J. Bégué, D. Bonnet‐Delpon, J. Percy, M. Rock, R. Wilkes","doi":"10.1039/C39950001857","DOIUrl":"https://doi.org/10.1039/C39950001857","url":null,"abstract":"Chlorodifluoromethyl ketones reacted with diazomethane to afford epoxides in high yield; upon treatment with butyllithium, the epoxides underwent efficient ring opening to afford 3,3-difluoro-2-alkyl-alken-1-ols, suitable substrates for sigmatropic rearrangement leading to compounds containing a CF2 group in mid-chain.","PeriodicalId":17282,"journal":{"name":"Journal of The Chemical Society, Chemical Communications","volume":"10 1","pages":"1857-1857"},"PeriodicalIF":0.0,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84197311","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
Formation of methanol by the gas phase partial oxidation of methane under normal pressures 常压下甲烷气相部分氧化生成甲醇
Journal of The Chemical Society, Chemical Communications Pub Date : 1995-01-01 DOI: 10.1039/C39950000093
Li‐Biao Han, S. Tsubota, Tetsuhiko Kobayashi, M. Haruta
{"title":"Formation of methanol by the gas phase partial oxidation of methane under normal pressures","authors":"Li‐Biao Han, S. Tsubota, Tetsuhiko Kobayashi, M. Haruta","doi":"10.1039/C39950000093","DOIUrl":"https://doi.org/10.1039/C39950000093","url":null,"abstract":"Even under normal pressures (1.5–3.0 atm), methanol is formed by the gas phase reaction of methane with oxygen in a flow quartz reactor at 425–490 °C with methanol selectivities exceeding 30% at a methane conversion of 5%.","PeriodicalId":17282,"journal":{"name":"Journal of The Chemical Society, Chemical Communications","volume":"10 1","pages":"93-94"},"PeriodicalIF":0.0,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78258748","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
Regioselective acylation of anisole with carboxylic acids over HZSM-5 catalyst 在HZSM-5催化剂上苯甲醚与羧酸的区域选择性酰化反应
Journal of The Chemical Society, Chemical Communications Pub Date : 1995-01-01 DOI: 10.1039/C39950002307
Q. L. Wang, Yudao Ma, Xingdong Ji, Hao Yan, Qin Qiu
{"title":"Regioselective acylation of anisole with carboxylic acids over HZSM-5 catalyst","authors":"Q. L. Wang, Yudao Ma, Xingdong Ji, Hao Yan, Qin Qiu","doi":"10.1039/C39950002307","DOIUrl":"https://doi.org/10.1039/C39950002307","url":null,"abstract":"Over a HZSM-5 catalyst, the liquid-phase acylation of anisole with carboxylic acid gave the phenyl carboxylic ester at lower temperatures ( 423 K) 4-acyl anisole was the predominant product.","PeriodicalId":17282,"journal":{"name":"Journal of The Chemical Society, Chemical Communications","volume":"26 1","pages":"2307-2308"},"PeriodicalIF":0.0,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78271994","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: 39
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