Fluorine Notes最新文献

{"title":"Reactions of 2-Methoxytetrafluoropropanoic Acid Derivatives with Amines","authors":"V. Dyachenko","doi":"10.17677/fn20714807.2022.06.03","DOIUrl":"https://doi.org/10.17677/fn20714807.2022.06.03","url":null,"abstract":"","PeriodicalId":12217,"journal":{"name":"Fluorine Notes","volume":"295 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81556890","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}

{"title":"Fluorine-Containing Acrylic Polymers With DR1 Electro-Optical Chromophore In The Side Chain","authors":"S. Molchanova","doi":"10.17677/fn20714807.2022.06.01","DOIUrl":"https://doi.org/10.17677/fn20714807.2022.06.01","url":null,"abstract":"","PeriodicalId":12217,"journal":{"name":"Fluorine Notes","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83558489","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}

{"title":"INVESTIGATION OF OPTICAL PROPERTIES OF AMORPHOUS COPOLYMERS OF PERFLUORO-2,2-DIMETHYL-1,3-DIOXOL AND PERFLUORO-(2-CYCLOPENTYL) ETHYLVINYL ETHER OBTAINED AT ULTRAHIGH PRESSURE","authors":"S. Molchanova","doi":"10.17677/fn20714807.2022.05.02","DOIUrl":"https://doi.org/10.17677/fn20714807.2022.05.02","url":null,"abstract":"","PeriodicalId":12217,"journal":{"name":"Fluorine Notes","volume":"6 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79155243","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}

{"title":"DECAY SEQUENCES - ION SERIES OF MASS SPECTRA HEXAMETHYLBENZENE AND HEXAKIS(TRIFLUOROMETHYL)BENZENE","authors":"Nikolay D. Kagramanov","doi":"10.17677/fn20714807.2022.05.01","DOIUrl":"https://doi.org/10.17677/fn20714807.2022.05.01","url":null,"abstract":": This report on the results of the analysis of decay sequences - ion series of mass spectra: hexamethylbenzene and hexakis(trifluoromethyl)-benzene, is a continuation of the article on the ion series of benzene and hexafluorobenzene. In contrast to the six ion series of the mass spectrum of benzene, the mass spectrum of hexamethylbenzene consists of eleven series of ions. The first three ionic series of the mass spectrum of hexamethylbenzene + . M 1-3 , including the elimination of groups: ( . CH 3 +6 . H), (C 2 H 4 + 7 . H) and (C 3 H 6 + 5 . H) with the formation of ions + С 11 H 9 , + С 10 H 7 and + C 9 H 7 - the result of agmentation of methyl substituents that occur without rearrangement of the existing π - conjugations of the six-membered ring. The four final series of + . M 8-11 ions are formed upon detachment of neutral molecules C 8 H 11 and C 9 H 13 , as well as radicals . C 10 H 13 and . C 11 H 15 , in which the 6-membered ring is also retained. As a result of four series + . M 8-11 , ions + C 4 H 7 m/z 55, + C 3 H 5 m/z 41, + C 2 H 5 m/z 29 and + CH 3 m/z 15 appear. Two intermediate series","PeriodicalId":12217,"journal":{"name":"Fluorine Notes","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75538737","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}

{"title":"A new method for preparing of 1,2,2-trifluorostyrene","authors":"S. Igumnov","doi":"10.17677/fn20714807.2022.04.03","DOIUrl":"https://doi.org/10.17677/fn20714807.2022.04.03","url":null,"abstract":"","PeriodicalId":12217,"journal":{"name":"Fluorine Notes","volume":"404 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76465595","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}

{"title":"Synthesis of 2-or 4- fluorine-substituted arylamides","authors":"V. Dyachenko","doi":"10.17677/fn20714807.2022.04.02","DOIUrl":"https://doi.org/10.17677/fn20714807.2022.04.02","url":null,"abstract":"","PeriodicalId":12217,"journal":{"name":"Fluorine Notes","volume":"12 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84603633","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}

{"title":"Iodine(III) tris(trifluoroacetate) in reactions of iodo- and bromotrifluoroacetoxylation of fluoroolefins","authors":"A. Tyutyunov","doi":"10.17677/fn20714807.2022.04.01","DOIUrl":"https://doi.org/10.17677/fn20714807.2022.04.01","url":null,"abstract":"","PeriodicalId":12217,"journal":{"name":"Fluorine Notes","volume":"39 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81903839","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}

{"title":"Decay sequences - ion series of mass spectra of benzene, 1,3,5,7-cyclooctatetraene, [18]-annulene, hexafluorobenzene and its isomers","authors":"Nikolay D. Kagramanov","doi":"10.17677/fn20714807.2022.03.03","DOIUrl":"https://doi.org/10.17677/fn20714807.2022.03.03","url":null,"abstract":": This research is devoted to the results of the analysis of decay sequences - ion mass spectra of benzene, 1,3,5,7-cyclooctatetraene, [18]-annulene, as well as hexafluorobenzene and its homologues. The difference between the primary abstraction groups in the spectra of benzene: . H, CH, . C 2 H,C 3 H 3 , C 4 H 2 , . C 5 H 3 and hexafluorobenzene: . F and CF contradicts the analogy of their fragmentation pathways. Upon ionization and removal of one of the six π -electrons of benzene, its + . M cation-radical arises with the corresponding excitation energy and one of five variants of rearrangement of conjugations of π -electrons of its carbon core. The mass spectrum of benzene consists of six series of fragment ions. The first series of ions, including the successive detachment of six hydrogen atoms with the formation of the + C 6 ion, is the result of the fragmentation of the excited + . M 1 , in which the existing π -conjugations of the carbon cycle are preserved and their rearrangement does not occur. The primary detachments of the CH, . C 2 H, C 3 H 2 , C 4 H 2 , and . C 5 H 3 groups of five other ionic series confirm that in excited + . M benzene, five variants of rearrangement of π consist of 6, 18, and 8 series of ions, respectively, the number of which corresponds to the number of carbon atoms of these cycles. This coincidence is the result of the fact that, during the fragmentation of excited molecular radical cations, all possible variants of the rearrangement of their π -conjugations are realized, as well as the fragmentation variant-with the preservation of existing conjugations, when only the abstraction of hydrogen atoms occurs. The ionic series of benzene, 1,3,5,7-cyclooctatetraene C 8 H 8 , and [18]-annulene C 18 H 18 fragment without branching or intersecting. In contrast to the six ionic series of benzene, hexafluorobenzene fragments with the formation of two series, that differ in the sequence of detachments. One of the series of ions includes successive abstractions of four fluorine atoms, CF and . F to form the + C 5 ion. The other, after the primary detachment of the CF, branches, fragmenting both with the detachment of the CF and with the detachment of the . F. In contrast to the ionic series of the mass spectrum of benzene, in the spectra of hexafluorobenzene and its isomers, the rearrangement of π -conjugations of the ring does not occur, since none of the two ionic series formed is the result of the appearance of any new π -conjugation.","PeriodicalId":12217,"journal":{"name":"Fluorine Notes","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88409140","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}

{"title":"Preparation of organoclay based on 1Н,1Н,13Н-trihydroperfluorotridecan-1-ol and montmorillonite","authors":"S. Kudashev","doi":"10.17677/fn20714807.2022.03.01","DOIUrl":"https://doi.org/10.17677/fn20714807.2022.03.01","url":null,"abstract":"","PeriodicalId":12217,"journal":{"name":"Fluorine Notes","volume":"9 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80936454","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}

{"title":"Activation energy and thermal effect of initiation reaction of cationic isobutylene polymerization in the presence of complex catalyst “boron fluoride – water” in heptane","authors":"A. Rakhimov","doi":"10.17677/fn20714807.2022.02.02","DOIUrl":"https://doi.org/10.17677/fn20714807.2022.02.02","url":null,"abstract":": This paper presents data on activation energy and thermal effects at the stage of initiation of cationic isobutylene polymerization in the presence of complex catalyst boron fluoride – water in heptane with various stoichiometric composition, obtained by quantum chemical calculation using ab initio method. It has been established that increase in heptane amount leads to decrease in activation energy of reaction studied.","PeriodicalId":12217,"journal":{"name":"Fluorine Notes","volume":"2015 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86860052","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}