Zobrazeno 1 - 10
of 59
pro vyhledávání: '"S. Shaun Murphree"'
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-12 (2022)
Abstract In photochemistry the excited-state intramolecular proton transfer process (ESIPT) is often observed as a highly efficient singlet excited state depletion pathway, which in the presence of a strong intramolecular hydrogen bond may proceed on
Externí odkaz:
https://doaj.org/article/8c125384251d495992a948e205eece11
Autor:
Jeremy D. Mason, Chad N. Ungarean, Jaimie M. Mong, Benjamin R. Eyer, S. Shaun Murphree, Nicholas S. Duca
Publikováno v:
Synthesis. 49:2177-2181
An antifouling sesquiterpene isolated from Sinularia sp. was synthesized from citronellyl acetate in eight steps and 9% overall yield. The furan moiety was constructed using a multifunctional sulfone reagent.
Autor:
Jernej Iskra, S. Shaun Murphree
Publikováno v:
Tetrahedron Letters. 58:645-648
Arenes are rapidly converted to the corresponding iodides by aerobic oxidative iodination at room temperature by treatment with iodine and catalytic quantities of nitrous acid in a fluorinated solvent. Dichloroiodic acid is proposed as the actual iod
Autor:
S. Shaun Murphree, Corey S. Keenan
Nitroarenes are reduced to the corresponding aniline derivatives using iron or zinc under mild conditions under microwave heating conditions. Mild acidity is provided by ammonium chloride in an aqueous methanol medium. The conditions are tolerant to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d5c702abf3e733514db7995a828a839
Publikováno v:
Journal of Chemical Education. 91:511-517
An instructional laboratory curriculum for a first-semester introductory organic chemistry course has been developed using microwave-assisted organic synthesis (MAOS). Taking advantage of short reaction times, materials were developed to facilitate c
Autor:
Jeremy D. Mason, S. Shaun Murphree
Publikováno v:
Synlett. 24:1391-1394
The Krapcho decarboxylation of alkyl malonate derivatives has been adapted to aqueous microwave conditions. Various salt additives were examined, and both the cation and the anion impacted the facility of the reaction. A strong correlation was found
Publikováno v:
Synthetic Communications. 42:1979-1986
Ketones and aldehydes are conveniently and rapidly reduced to the corresponding alcohols in good yields using sodium borohydride under sealed-tube microwave conditions in either 95% ethanol or water. In purely aqueous systems, highly aliphatic substr
Autor:
Albert Padwa, S. Shaun Murphree
Publikováno v:
ARKIVOC, Vol 2006, Iss 3, Pp 6-33 (2005)
Three-membered heterocyclic rings offer an uncommon combination of reactivity, synthetic flexibility, and atom economy. This mini review surveys a selection of the most recent advances amongst epoxides and aziridines. Emphasis is given to novel synth
Publikováno v:
Tetrahedron. 53:14179-14233
3. Introduction Bimolecular Diels-Alder Reactions of Furans 2.1. Scope and limitations 2.1.1. Alkenes 2.1.2. Alkynes 2.1.3. Allenes 2.2. Reactive g-bonds 2.3. Catalysts and high pressure 2.4. Asymmetric Diels-Alder reactions 2.5. Total synthesis Intr
Autor:
Jeremy D. Mason, S. Shaun Murphree
Publikováno v:
ChemInform. 44
Optimized reaction conditions including Li2SO4 in water as the reagent allows the decarboxylation of malonate derivatives in short reaction times.