Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Daniel H. Paull"'
Publikováno v:
CHIMIA, Vol 61, Iss 5 (2007)
We present an array of [4+2] cycloaddition reactions between ketene enolates, catalytically derived from acid chlorides and cinchona alkaloid nucleophilic catalysts in the presence of stoichiometric base, and o-benzoquinone derivatives. These cycload
Externí odkaz:
https://doaj.org/article/9c5bb698a6d84e249460d1f21106a562
Autor:
Elizabeth A. Recker, Matthew Green, Mohammad Soltani, Daniel H. Paull, Gregory J. McManus, James H. Davis, Arsalan Mirjafari
Publikováno v:
ACS Sustainable Chemistry & Engineering. 10:11885-11890
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04a207aa650823f5758db426c2196fb7
https://doi.org/10.1021/acssuschemeng.2c02883
https://doi.org/10.1021/acssuschemeng.2c02883
Publikováno v:
Oncology reports. 41(6)
Resveratrol, a plant‑derived stilbene compound, has exhibited anticancerous properties, including breast cancer. Stilbenes have a molecular structure highly similar to estrogen and have the ability to bind estrogen receptors and regulate activity.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86249aef41985d82e6127477fe2a8417
https://pubmed.ncbi.nlm.nih.gov/31002359
https://pubmed.ncbi.nlm.nih.gov/31002359
Autor:
Daniel H. Paull, Stephen F. Martin, Daniel W. Klosowski, Andrew D. Pansick, Christopher R. Shugrue, James R. Donald, Chao Fang, J. Caleb Hethcox
Publikováno v:
The Journal of organic chemistry. 83(11)
A general protocol is described for inducing enantioselective halolactonizations of unsaturated carboxylic acids using novel bifunctional organic catalysts derived from a chiral binaphthalene scaffold. Bromo- and iodolactonization reactions of divers
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6ac4b6b5489ed6fbe589546278b93aa
https://pubmed.ncbi.nlm.nih.gov/29717607
https://pubmed.ncbi.nlm.nih.gov/29717607
Publikováno v:
Tetrahedron. 69:7592-7607
A formal synthesis of didehydrostemofoline and isodidehydrostemofoline has been accomplished by preparing an intermediate in the Overman synthesis of these alkaloids from commercially available 2-deoxy- d -ribose. The work presented in this account c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb712eaa079c005d383a4703dccb278d
https://doi.org/10.1016/j.tet.2013.03.104
https://doi.org/10.1016/j.tet.2013.03.104
Publikováno v:
Angewandte Chemie International Edition. 51:10596-10599
Sweet to the Core Enantioselective formal total syntheses of the Stemona alkaloids didehydrostemofoline and isodidehydrostemofoline were accomplished in 24 steps from commercially available 2-deoxy-d-ribose. The synthesis features a novel cascade of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e84f32303a24e0e80aabcd9325bb221
https://doi.org/10.1002/anie.201205274
https://doi.org/10.1002/anie.201205274
Publikováno v:
Tetrahedron. 65:6771-6803
For over a century, ketenes have intrigued organic chemists with their unusual physical properties and unique spectrum of chemical reactivity; it is not an exaggeration to say that they represent one of the keystone reactive intermediates of physical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee42492bfaf4c1e001fac4c4d88a178b
https://doi.org/10.1016/j.tet.2009.05.079
https://doi.org/10.1016/j.tet.2009.05.079
Autor:
Cajetan Dogo-Isonagie, Tefsit Bekele, Stefan France, Jamison Wolfer, Anthony Weatherwax, Andrew E. Taggi, Daniel H. Paull, Travis Dudding, Thomas Lectka
Publikováno v:
European Journal of Organic Chemistry. 2007:1091-1100
The mechanism of the catalytic, asymmetric α-bromination of acid chlorides is probed through a series of crossover experiments, ion-pairing tests, and kinetic resolution studies to shed light on the factors that contribute to, and limit the producti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d559a8cf98483cbc083d152f32591292
https://doi.org/10.1002/ejoc.200600819
https://doi.org/10.1002/ejoc.200600819
Autor:
Daniel H. Paull, Rolf U. Halden
Publikováno v:
Environmental Science & Technology. 38:4849-4855
Triclocarban, N-(4-chlorophenyl)-N'-(3,4-dichlorophenyl)urea, is a polychlorinated phenyl urea pesticide, marketed under the trademark TCC and used primarily as an antibacterial additive in personal care products. Despite its extensive use over sever
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::081fe80d047425f28cc3e894bbe107d7
https://doi.org/10.1021/es049524f
https://doi.org/10.1021/es049524f
Publikováno v:
ChemInform. 44
The enantioselective iodolactonizations of a series of diversely substituted olefinic carboxylic acids are promoted by a BINOL-derived, bifunctional catalyst. Reactions involving 5-alkyl- and 5-aryl-4(Z)-pentenoic acids and 6-alkyl- and 6-aryl-5(Z)-h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e16c1152db2d6d7ccbc5aa0e92f15328
https://doi.org/10.1002/chin.201319095
https://doi.org/10.1002/chin.201319095