Results 91 to 100 of about 9,421 (215)

Identification and isolation of insecticidal oxazoles from Pseudomonas spp.

Beilstein Journal of Organic Chemistry, 2012
Two new and five known oxazoles were identified from two different Pseudomonas strains in addition to the known pyrones pseudopyronine A and B. Labeling experiments confirmed their structures and gave initial evidence for a novel biosynthesis pathway of ...
Florian Grundmann, Veronika Dill, Andrea Dowling, Aunchalee Thanwisai, Edna Bode, Narisara Chantratita, Richard ffrench-Constant, Helge B. Bode   +7 more
doaj   +1 more source

Naturally Occurring Oxazole-Containing Peptides

, 2020
Oxazole-containing peptides are mostly of marine origin and they form an intriguing family with a broad range of biological activities. Here we classify these peptides on the basis of their chemical structure and discuss a number of representatives of ...
Edikarlos Brasil, Fernando Albericio, Jessica T. Mhlongo, Beatriz G. de la Torre   +3 more
core   +1 more source

Studies towards the Synthesis of Phorbazoles A-D: Formulation of the Pyrrole Oxazole Skeleton

, 1999
Synthetic approaches towards the synthesis of the pyrrole oxazole skeleton of phorbazoles A-D are described. An efficient synthesis of the pyrrole oxazole skeleton (19) from pyrrole and 4- methoxyacetophenone was developed.
Volter, KE, Loughlin, WA, King, MD, McCleary, MA, Muderawan, IW   +4 more
core   +1 more source

Facile Preparation of Oxazole-4-carboxylates and 4-Ketones from Aldehydes using 3-Oxazoline-4-carboxylates as Intermediates

, 2016
A novel 2-step synthesis of oxazole-4-carboxylates from aldehydes was developed, which is characterized by the utilization of 3-oxazoline-4-carboxylates as synthetic intermediates.
Hiromichi Fujioka (1508203), Tomoyo Matsushita (1958227), Yusuke Takahara (288972), Hideyuki Komatsu (1582240), Kenichi Murai (1958233)   +4 more
core   +1 more source

A new cyclododeca[d]oxazole derivative from Streptomyces spp. CIBYL1

, 2013
A novel secondary metabolite, N-trans-cinnamoyl 2-amino-3a,4,5,6,7,8,9,10,11,12,13,13a-dodecahydrocyclododeca[d]oxazole (1), was isolated from Streptomyces spp.
Pu, Xiang, Zhang, Guolin, Yi, Jinhai, Luo, Yinggang, Yang, Tao, Li, Guangzhou, Li, Guoyou, Luo, YG (reprint author), Chinese Acad Sci, Chengdu Inst Biol, Ctr Nat Prod Res, Chengdu 610041, Peoples R China.   +7 more
core  

Synthesis of a Directly Connected Thiazole−Oxazole Ring System Present in Microcin B17

, 2016
Synthesis of a Directly Connected Thiazole−Oxazole Ring System Present in Microcin ...
David J. Jebaratnam (3006828), Philip M. Warner (2516512), Gang Li (34549)   +2 more
core   +1 more source

Synthesis of a novel pyrrole oxazole analogue of the insecticide pirate

, 2004
The pyrrole oxazole 4 is a novel analogue of the broad-spectrum insecticide and miticide pirate 2. The expedient synthesis of pyrrole oxazole 4 in six steps from pyrrole is reported using a synthetic route that could have potential for the solution-phase
Luke Henderson (13082367), M Murphy (9882365), K Elson (13749685), W Loughlin (13749670)   +3 more
core   +2 more sources

Synthesis of Oxazoles Containing CF₃-Substituted Alcohol Unit via Tandem Cycloisomerization/Hydroxyalkylation from N-Propargylamides with Trifluoropyruvates

Molecules
Oxazoles are important five-membered heterocycles that contain both nitrogen and oxygen atoms. Due to their wide range of biological activities, many oxazoles demonstrate potential for extensive application in various fields, including medicinal ...
Juan-Juan Gao, Long-Hui Wu, Shu-Qin Yu, Xue Zhu, Yu Zeng, Kai Yang, Zhao-Yang Wang   +6 more
doaj   +1 more source

Aspects of Oxazole Derivatives in Medicinal Chemistry: Chemical, Biological and Recent Advances

: Oxazole derivatives are important heterocyclic scaffolds in medicinal chemistry due to their broad biological activities. These five-membered aromatic rings containing oxygen and nitrogen exhibit antimicrobial, antiviral, anticancer,
Sushil Kumar, Jatin Kishore Sharma
core   +1 more source

Defluorinative Cyclization of Enamides with Fluoroalkyl Halides Through Two Vicinal C(sp3)─F Bonds Functionalization

Advanced Science
Introducing distinctive functional groups to expand the structural diversity and improve the intrinsic properties of parent molecules has been an essential pursuit in organic chemistry.
Yu‐Lan Chen, Wei Han, Yuan‐Yuan Ren, Mengtao Ma, Danhua Ge, Zhi‐Liang Shen, Kai Guo, Xue‐Qiang Chu   +7 more
doaj   +1 more source