Synthetic efforts toward cyathane diterpenoid natural products.

abstract：:This review covers the isolation and structure determination of triterpenoids reported during 2012 including squalene derivatives, lanostanes, holostanes, cycloartanes, cucurbitanes, dammaranes, euphanes, tirucallanes, tetranortriterpenoids, quassinoids, lupanes, oleananes, friedelanes, ursanes, hopanes, serratanes, i...

journal_title：Natural product reports

authors： Hill RA,Connolly JD

更新日期：2015-02-01 00:00:00

abstract：:A diverse array of secondary metabolites have been isolated and characterized from marine-derived fungi. The structures and biological activities of these metabolites are presented. Additionally, some basic principles of mycology are covered. Overall, 273 structures are presented and the review contains 162 references...

journal_title：Natural product reports

authors： Bugni TS,Ireland CM

更新日期：2004-02-01 00:00:00

abstract：:This Highlight describes synthetic methods that have enabled new strategic approaches to the synthesis of natural product targets as well as libraries of compounds for unbiased screening experiments. The structural differences of the compounds produced by both efforts are illustrated. ...

journal_title：Natural product reports

authors： Shaw JT

更新日期：2009-01-01 00:00:00

abstract：:The biosynthesis of peptidoglycan is essential for all bacteria and has no counterpart in eukaryotic cells. It is one of the prime targets for antibiotic chemotherapy, especially phospho-MurNAc-pentapeptide translocase (translocase I) is a fascinating target in which there is no commercial antibiotic. In this review w...

journal_title：Natural product reports

authors： Kimura K,Bugg TD

更新日期：2003-04-01 00:00:00

abstract：:The diastereoselective addition of organometallic reagents to α-chloroaldehydes was first reported in 1959 and occupies a historically significant role as the prototypical reaction for Cornforth's model of stereoinduction. Despite clear synthetic potential for these reagents, difficulties associated with producing ena...

journal_title：Natural product reports

authors： Britton R,Kang B

更新日期：2013-02-01 00:00:00

abstract：:This review summarizes the state of knowledge on D-glucosamine-6P synthesis catalyzed by glucosamine-6P synthase. The mechanisms of L-glutamine hydrolysis, ammonia transfer and fructose-6P conversion into D-glucosamine-6P are analyzed with the E. coli enzyme in light of recent X-ray structures. With 92 references this...

journal_title：Natural product reports

authors： Teplyakov A,Leriche C,Obmolova G,Badet B,Badet-Denisot MA

更新日期：2002-02-01 00:00:00

abstract：:Natural products and their derivatives are mainstays of our antibiotic drugs, but they are increasingly in peril. The combination of widespread multidrug resistance in once susceptible bacterial pathogens, disenchantment with natural products as sources of new drugs, lack of success using synthetic compounds and targe...

journal_title：Natural product reports

authors： Wright GD

更新日期：2017-07-01 00:00:00

abstract：:Silybin, a secondary metabolite isolated from the seeds of the blessed milk thistle (Silybum marianum) was discovered as the first member of a new family of natural compounds called flavonolignans in 1959. Over the years it has received the research attention of many organic chemists. This research has resulted in a n...

journal_title：Natural product reports

authors： Biedermann D,Vavříková E,Cvak L,Křen V

更新日期：2014-09-01 00:00:00

abstract：:Covering up to December 2013. Oligosaccharide natural products target a wide spectrum of biological processes including disruption of cell wall biosynthesis, interference of bacterial translation, and inhibition of human α-amylase. Correspondingly, oligosaccharides possess the potential for development as treatments o...

journal_title：Natural product reports

authors： McCranie EK,Bachmann BO

更新日期：2014-08-01 00:00:00

abstract：:The fungal genus Trichoderma has various applications in industry and in medicine, and several species have economic importance as sources of enzymes, antibiotics, plant growth promoters, decomposers of xenobiotics, and as commercial biofungicides. Peptaibiotics and peptaibols are a class of linear peptides synthesize...

journal_title：Natural product reports

authors： Daniel JF,Filho ER

更新日期：2007-10-01 00:00:00

abstract：:Although natural products have been marginalized by major pharmaceutical companies over the last 20-30 years, the changing landscape of drug discovery now favors a greatly enhanced role for Nature's privileged structures. Screening for drug leads in phenotypic screens provides the best opportunity to realize the value...

journal_title：Natural product reports

authors： Carter GT

更新日期：2011-10-01 00:00:00

abstract：:In this review the names, structures and occurrence of all new drimanes and rearranged drimanes which have been published between January 1990 and January 2003 have been collected. Subjects that have been treated are biosynthesis, analysis, biological activities, with special attention to cytotoxic activity and antife...

journal_title：Natural product reports

authors： Jansen BJ,de Groot A

更新日期：2004-08-01 00:00:00

abstract：:This review covers the isolation, structure determination, synthesis, chemical transformations and biological activity of indolizidine and quinolizidine alkaloids. Included in the review are the hydroxylated indolizidines lentiginosine, swainsonine, castanospermine and their analogues; alkaloids from animal sources, i...

journal_title：Natural product reports

authors： Michael JP

更新日期：2008-02-01 00:00:00

abstract：:Covering: 1947-early 2017, particularly from 2005-early 2017The rise of bacterial pathogens with acquired resistance to almost all available antibiotics is becoming a serious public health issue. Polymyxins, antibiotics that were mostly abandoned a few decades ago because of toxicity concerns, are ultimately considere...

journal_title：Natural product reports

authors： Rabanal F,Cajal Y

更新日期：2017-07-06 00:00:00

abstract：:From the basic export of unwanted metal ions in simple organisms to the complex orchestration of metal handling and usage in higher eukaryotes, cellular systems are based on a variety of molecular mechanisms that constrain the right metal to bind to the right protein partner at the right time when needed. A failure to...

journal_title：Natural product reports

authors： Banci L,Bertini I,McGreevy KS,Rosato A

更新日期：2010-05-01 00:00:00

abstract：:This review article focuses on how nature sometimes solves the same problem in the biosynthesis of small molecules but using very different approaches. Four examples, involving isopentenyl diphosphate, menaquinone, lysine, and aromatic polyketides, are highlighted that represent different strategies in convergent meta...

journal_title：Natural product reports

authors： Dairi T,Kuzuyama T,Nishiyama M,Fujii I

更新日期：2011-06-01 00:00:00

abstract：:Vitamin B12, or cobalamin, is one of the most structurally complex small molecules made in Nature. Major progress has been made over the past decade in understanding how this synthesis is accomplished. This review covers some of the most important findings that have been made and provides the reader with a complete de...

journal_title：Natural product reports

authors： Warren MJ,Raux E,Schubert HL,Escalante-Semerena JC

更新日期：2002-08-01 00:00:00

abstract：:This review covers the recent marine chemical ecology literature for benthic cyanobacteria, macroalgae, sponges, octocorals, molluscs, other benthic invertebrates, fish and seabirds. ...

journal_title：Natural product reports

authors： Paul VJ,Ritson-Williams R

更新日期：2008-08-01 00:00:00

abstract：:Covering: 1989 up to 2019 Ahp-cyclodepsipeptides (also known as Ahp-containing cyclodepsipeptides, cyanopeptolins, micropeptins, microginines, and lyngbyastatins, and by many other names) are a family of non-ribosomal peptide synthesis (NRPS)-derived natural products with potent serine protease inhibitory properties. ...

journal_title：Natural product reports

authors： Köcher S,Resch S,Kessenbrock T,Schrapp L,Ehrmann M,Kaiser M

更新日期：2020-02-26 00:00:00

abstract：:Sesterterpenoids account for many bioactive natural products, often with unusual and complex structural features, which makes them attractive targets for synthetic chemists. This review surveys efforts undertaken toward the synthesis of sesterterpenoids, focusing on completed total syntheses and covering ca. 50 natura...

journal_title：Natural product reports

authors： Hog DT,Webster R,Trauner D

更新日期：2012-07-01 00:00:00

abstract：:Covering: 1997 to 2010. The angucycline group is the largest group of type II PKS-engineered natural products, rich in biological activities and chemical scaffolds. This stimulated synthetic creativity and biosynthetic inquisitiveness. The synthetic studies used five different strategies, involving Diels-Alder reactio...

journal_title：Natural product reports

authors： Kharel MK,Pahari P,Shepherd MD,Tibrewal N,Nybo SE,Shaaban KA,Rohr J

更新日期：2012-02-01 00:00:00

abstract：:Blue flower colors are primarily due to anthocyanin, a flavonoid pigment. Anthocyanin itself is purple in neutral aqueous solutions, ans its color is very unstable and quickly fades. Therefore, the mechanism of blue color development in living flower petals is one of the most intriguing problems in natural product che...

journal_title：Natural product reports

authors： Yoshida K,Mori M,Kondo T

更新日期：2009-07-01 00:00:00

abstract：:Covering: up to early 2018 Polyketides and nonribosomal peptides are two major families of natural product with a broad range of biological activities. Polyketide synthases (PKSs) assemble small acetic acid-type acyl building blocks into polyketides through C-C bonds, and nonribosomal peptide synthetases (NRPSs) assem...

journal_title：Natural product reports

authors： Miyanaga A,Kudo F,Eguchi T

更新日期：2018-11-14 00:00:00

abstract：:Covering: 2014-2019We review recent progress on natural products that target cytoskeletal components, including microtubules, actin, intermediate filaments, and septins and highlight their demonstrated and potential utility in the treatment of human disease. The anticancer efficacy of microtubule targeted agents ident...

journal_title：Natural product reports

authors： Risinger AL,Du L

更新日期：2020-05-01 00:00:00

abstract：:This review focuses on recent developments in the use of natural products as therapeutics for Alzheimer's disease. The compounds span a diverse array of structural classes and are organized according to their mechanism of action, with the focus primarily on the major hypotheses. Overall, the review discusses more than...

journal_title：Natural product reports

authors： Williams P,Sorribas A,Howes MJ

更新日期：2011-01-01 00:00:00

abstract：:Covering: up to 2018 Ovothiols are sulfur-containing natural products biosynthesized by marine invertebrates, microalgae, and bacteria. These compounds are characterized by unique chemical properties suggestive of numerous cellular functions. For example, ovothiols may be cytoprotectants against oxidative stress, serv...

journal_title：Natural product reports

authors： Castellano I,Seebeck FP

更新日期：2018-12-12 00:00:00

abstract：:Covering: up to 2017This review covers the biosynthetic and evolutionary aspects of lincosamide antibiotics, antitumour pyrrolobenzodiazepines (PBDs) and the quorum-sensing molecule hormaomycin. These structurally and functionally diverse groups of complex natural products all incorporate rarely occurring 4-alkyl-l-pr...

journal_title：Natural product reports

authors： Janata J,Kamenik Z,Gazak R,Kadlcik S,Najmanova L

更新日期：2018-03-01 00:00:00

abstract：:This Viewpoint article provides a personal viewpoint of research in the area of fungal polyketide biosynthesis. It spans the period from the first applications and subsequent development of modern stable-isotope labelling methods, the isolation, sequencing and expression of PKS genes, biochemical and structural charac...

journal_title：Natural product reports

authors： Simpson TJ

更新日期：2014-10-01 00:00:00

abstract：:Covering: up to 2013. Although holo-acyl carrier protein synthase, AcpS, a phosphopantetheinyl transferase (PPTase), was characterized in the 1960s, it was not until the publication of the landmark paper by Lambalot et al. in 1996 that PPTases garnered wide-spread attention being classified as a distinct enzyme superf...

journal_title：Natural product reports

authors： Beld J,Sonnenschein EC,Vickery CR,Noel JP,Burkart MD

更新日期：2014-01-01 00:00:00

abstract：:Covering: 2008 to 2016The total synthesis of natural products and their derivatives continues to inspire organic chemists to identify and test new synthetic strategies and develop and explore novel methodology. In recent years, visible light photoredox catalysis has risen to prominence as a powerful technology that en...

journal_title：Natural product reports

authors： Nicholls TP,Leonori D,Bissember AC

更新日期：2016-10-26 00:00:00