Zobrazeno 1 - 10 of 320 pro vyhledávání: '"WILLIAM B. MOTHERWELL"'
1
Noncovalent Interactions of π Systems with Sulfur: The Atomic Chameleon of Molecular Recognition
Autor: Abil E. Aliev, William B. Motherwell, Simon J. Coles, Ilias Pavlakos, Tanzeel Arif, Graham J. Tizzard, Josephine R. T. Arendorf, Rafael B. Moreno
Publikováno v: Angewandte Chemie International Edition. 57:1193-1198
The relative strength of noncovalent interactions between a thioether sulfur atom and various π systems in designed top pan molecular balances was determined by NMR spectroscopy. Compared to its oxygen counterpart, the sulfur atom displays a remarka
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0fe1396f82c3270936b7e17d2dea3bc5
https://doi.org/10.1002/anie.201708485
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3
Some Recent Advances in the Design and Use of Molecular Balances for the Experimental Quantification of Intramolecular Noncovalent Interactions of π Systems
Autor: William B. Motherwell, Abil E. Aliev
Publikováno v: Chemistry (Weinheim an der Bergstrasse, Germany). 25(45)
Herein, various molecular balances used for comparing the strengths of intramolecular noncovalent interactions are reviewed. Our overview indicates that considerable quantitative insight into the strength of noncovalent interactions can be gained thr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::afba5e9039dd4d4acb14738fde906bec
https://pubmed.ncbi.nlm.nih.gov/31087577
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4
Synthesis of biaryls via intramolecular free radical ipso-substitution reactions
Autor: Feroze Ujjainwalla, Andrew M. K. Pennell, Carmen Escolano, William B. Motherwell, Santiago Vázquez, Maria Lucília E.N. da Mata
Publikováno v: Tetrahedron. 71:6701-6719
A variety of functionalised biaryls and heterobiaryls are prepared by intramolecular free radical [1,5]-ipso-substitution using sulfonamide and sulfonate derived tethering chains. The overall efficiency of the process is determined by appropriately p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f89dac5782224d001dd4cd0db835f6f8
https://doi.org/10.1016/j.tet.2015.07.048
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5
Noncovalent Lone Pair⋅⋅⋅(No-π!)-Heteroarene Interactions: The Janus-Faced Hydroxy Group
Autor: Graham J. Tizzard, William B. Motherwell, Simon J. Coles, Ilias Pavlakos, Tanzeel Arif, Abil E. Aliev
Publikováno v: Angewandte Chemie. 127:8287-8292
A comparative study using NMR spectroscopy and designed top-pan molecular balances demonstrates that the noncovalent interaction of a hydroxy group with π-deficient pyrazine and quinoxaline units involves a lone pair-heteroarene interaction which is
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::11a973365140e6dee270785596794b95
https://doi.org/10.1002/ange.201502103
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7
A Rapid Route to Aminocyclopropanes via Carbamatoorganozinc Carbenoids
Autor: Jarryl M. D'Oyley, William B. Motherwell, Shingo Ishikawa, Tom D. Sheppard, Akio Kamimura
Publikováno v: Angewandte Chemie (International Ed. in English)
Easy as 1,2,3: Reaction of methyl carbamate, triethyl orthoformate, and readily available alkenes provides a highly practical preparation of protected aminocyclopropanes. The reaction proceeds with preferential cis addition to alkenes, and cleavage o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0c822b0ab5550ef602c799d5450620f
https://doi.org/10.1002/anie.201304720
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