Zobrazeno 1 - 10
of 135
pro vyhledávání: '"David M. Lemal"'
Autor:
Russell P. Hughes, David M. Lemal
Publikováno v:
Journal of Fluorine Chemistry. 221:42-47
Tetrafluorothiophene-S,S-dioxide reacts with terminal acetylenes by two pathways to give (2 + 2) cycloaddition and (4 + 2) Diels-Alder addition products, the latter being accompanied by extrusion of SO2 and aromatization. The (4 + 2) process is orbit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9b1d43906d444915c8766174d32c2f5
https://doi.org/10.1016/j.jfluchem.2019.03.006
https://doi.org/10.1016/j.jfluchem.2019.03.006
Autor:
Monica Vasiliu, David M. Lemal, David A. Dixon, Yigang He, Christopher P. Junk, Yin Zhang, Joshua R. Smith
Publikováno v:
European Journal of Organic Chemistry. 2018:3167-3179
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ebdb20fbd5cb235758aaffee6869f13
https://doi.org/10.1002/ejoc.201800058
https://doi.org/10.1002/ejoc.201800058
Autor:
Yigang He, David M. Lemal, Rolf Gleiter, Jerry P. Jasinski, Joshua R. Smith, Christopher P. Junk, Steven R. Kass, Yin Zhang
Publikováno v:
The Journal of Organic Chemistry. 80:1523-1532
The title fluoroalkene has been generated by dehalogenation of dibromide and diiodide precursors and trapped in situ. retro-Diels-Alder reaction of its adduct with N-benzylpyrrole has made the alkene available in high yield and purity. In sharp contr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::faee9d13edf002e4588bee27028ce1fd
https://doi.org/10.1021/jo502456h
https://doi.org/10.1021/jo502456h
Publikováno v:
The Journal of Organic Chemistry. 78:12330-12337
Tetrafluorothiophene S,S-dioxide, a highly reactive diene and dienophile, has been synthesized. A new route to 3,4-difluoro- and tetrafluorothiophene has been realized, and the previously unknown 2,3,4-trifluorothiophene has been obtained. The reacti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19d89a7e157bb4bc571797331be9d94b
https://doi.org/10.1021/jo402373x
https://doi.org/10.1021/jo402373x
Autor:
David M. Lemal
Publikováno v:
ChemInform. 47
Tetrafluorothiophene S,S-dioxide is found to be an all-round partner for versatile cycloaddition reactions.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8969779e392b3a112370a63b48a313c
https://doi.org/10.1002/chin.201645021
https://doi.org/10.1002/chin.201645021
Autor:
David M. Lemal
Publikováno v:
The Journal of organic chemistry. 81(12)
Tetrafluorothiophene S,S-dioxide has been found to be a powerful and versatile cycloaddend that undergoes a wide range of reactions as a Diels–Alder diene, dienophile, and [2 + 2] addend. Because it dimerizes only slowly at high temperatures, a bro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8295216dec42175418866af15b9eb9cf
https://pubmed.ncbi.nlm.nih.gov/27246658
https://pubmed.ncbi.nlm.nih.gov/27246658
Publikováno v:
Efficient Preparations of Fluorine Compounds
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ca2d54ff96e901e446d6bc40bd25d6c
https://doi.org/10.1002/9781118409466.ch41
https://doi.org/10.1002/9781118409466.ch41
Autor:
Aldos C. Barefoot, David M. Lemal, John M. Buzby, Evan D. Laganis, Roy F. Waldron, Michael W. Grayston
Publikováno v:
Efficient Preparations of Fluorine Compounds
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb229b0f740fac05c4a115583a150f01
https://doi.org/10.1002/9781118409466.ch49
https://doi.org/10.1002/9781118409466.ch49
Autor:
David M. Lemal
Publikováno v:
The Journal of Organic Chemistry. 75:6411-6415
Despite its very weak central C-C bond, the yet-unknown hexafluorobicyclobutane is predicted to be quite robust. Unlike the parent hydrocarbon, which undergoes thermal rearrangement to butadiene, the perfluoro compound will yield hexafluorocyclobuten
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43bbfc5fba2ee3c4ba0ebcc074ca3694
https://doi.org/10.1021/jo100842a
https://doi.org/10.1021/jo100842a