Steroids: reactions and partial synthesis.

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：:This review covers the morphology, isolation, total synthesis and biological activity of the naturally occurring alkaloids isolated from the Amaryllidaceae family, as well as the structurally related Sceletium alkaloids. ...

journal_title：Natural product reports

authors： Jin Z

更新日期：2005-02-01 00:00:00

abstract：:Covering: July 2012 to December 2019Over the last seven years, expanding research efforts focused on sesterterpenoids has led to the isolation, identification, and characterization of numerous structurally novel and biologically active sesterterpenoids. These newly reported sesterterpenoids provide diverse structures ...

journal_title：Natural product reports

authors： Li K,Gustafson KR

更新日期：2020-12-22 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：:Nature has yielded numerous classes of chemically distinct microtubule stabilizers. Several of these, including paclitaxel (Taxol) and docetaxel (Taxotere), are important drugs used in the treatment of cancer. New microtubule stabilizers and novel formulations of these agents continue to provide advances in cancer the...

journal_title：Natural product reports

authors： Rohena CC,Mooberry SL

更新日期：2014-03-01 00:00:00

abstract：:Natural products have evolved, at least in part, to bind to biological macromolecules, particularly proteins. As a result, natural products are able to interact with many specific targets within the cell. Indeed for many years this has been central in the drug development process. Today, however, natural products are ...

journal_title：Natural product reports

authors： Dixon N,Wong LS,Geerlings TH,Micklefield J

更新日期：2007-12-01 00:00:00

abstract：:Covering: up to 2018 The Haemodoraceae family is a monocotyledonous family in the order Commelinales consisting of 14 genera. Many species from the family are endemic to Australia and their use by the Aboriginal People of Australia as both pigments or remedies has been ethnobotanically documented. Phenylphenalenones a...

journal_title：Natural product reports

authors： Norman EO,Lever J,Brkljača R,Urban S

更新日期：2019-05-22 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：: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 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：: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：:Covering: up to June 2018 Understanding the biosynthetic mechanisms that generate the astounding structural complexity and variety of fungal secondary metabolites (FSMs) remains a challenge. As an example, the biogenesis of the Monascus azaphilone pigments (MonAzPs) has remained obscure until recently despite the sign...

journal_title：Natural product reports

authors： Chen W,Feng Y,Molnár I,Chen F

更新日期：2019-04-17 00:00:00

abstract：:Venomous marine cone snails harbour a variety of small disulfide-rich peptides called conotoxins, which target a broad range of ion channels, membrane receptors, and transporters. More than 700 species of Conus are thought to exist, each expressing a wide array of different peptides. Within this large repertoire of to...

journal_title：Natural product reports

authors： Halai R,Craik DJ

更新日期：2009-04-01 00:00:00

abstract：:Dinoflagellates produce unique polyketides characterized by their size and complexity. The biosynthesis of a limited number of such metabolites has been reported, with studies largely hampered by the low yield of compounds and the severe scrambling of label in the isotopically-labeled precursors. Nonetheless, of the s...

journal_title：Natural product reports

authors： Van Wagoner RM,Satake M,Wright JL

更新日期：2014-09-01 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: 1958 to June 2018 Phenyl-γ-valerolactones (PVLs) and their related phenylvaleric acids (PVAs) are the main metabolites of flavan-3-ols, the major class of flavonoids in the human diet. Despite their presumed importance, these gut microbiota-derived compounds have, to date, in terms of biological activity, be...

journal_title：Natural product reports

authors： Mena P,Bresciani L,Brindani N,Ludwig IA,Pereira-Caro G,Angelino D,Llorach R,Calani L,Brighenti F,Clifford MN,Gill CIR,Crozier A,Curti C,Del Rio D

更新日期：2019-05-22 00:00:00

abstract：:In this study, the biological properties of natural abietane-type diterpenoids with an aromatic C ring are reviewed. An overview of the synthetic studies of this group of abietanes, including dehydroabietic acid, callitrisic acid and ferruginol, is presented. The review contains about 160 references. ...

journal_title：Natural product reports

authors： González MA

更新日期：2015-05-01 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：:Microorganisms and in particular actinomycetes and microfungi are known to produce a vast number of bioactive secondary metabolites. For industrially important fungal genera such as Penicillium and Aspergillus the production of these compounds has been demonstrated to be very consistent at the species level. This mean...

journal_title：Natural product reports

authors： Larsen TO,Smedsgaard J,Nielsen KF,Hansen ME,Frisvad JC

更新日期：2005-12-01 00:00:00

abstract：:Covering: up to the end of 2015.Peptides are naturally occurring compounds that play an important role in all living systems and are responsible for a range of essential functions. Peptide receptors have been implicated in disease states such as oncology, metabolic disorders and cardiovascular disease. Therefore, natu...

journal_title：Natural product reports

authors： Charron CL,Hickey JL,Nsiama TK,Cruickshank DR,Turnbull WL,Luyt LG

更新日期：2016-06-02 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：:In the recent past, macromolecular crystallography has gone through substantial methodological and technological development. The purpose of this review is to provide a general overview of structural biology and its impact on enzyme structure/function analysis and illustrate how it is modifying the focus of research r...

journal_title：Natural product reports

authors： Panjikar S,Stoeckigt J,O'Connor S,Warzecha H

更新日期：2012-10-01 00:00:00

abstract：:Covering: up to February 2019Actinomycetes are Gram positive bacteria of the phylum Actinobacteria. These organisms are one of the most important sources of structurally diverse, clinically used antibiotics and other valuable bioactive products, as well as biotechnologically relevant enzymes. Most strains were discove...

journal_title：Natural product reports

authors： Musiol-Kroll EM,Tocchetti A,Sosio M,Stegmann E

更新日期：2019-09-01 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 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：:This review deals with the isolation and structure elucidation of meroterpenoids (natural products of mixed biosynthetic origin which are partially derived from terpenoids) from higher and lower fungi, and discusses biosynthetic studies and biological activities as appropriate. It describes 333 fungal meroterpenoids a...

journal_title：Natural product reports

authors： Geris R,Simpson TJ

更新日期：2009-08-01 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

abstract：:This review will detail progress made in the previous decade on the chemistry and bioactivity of birch bark extractive products. Current and future applications of birch bark natural products in pharmaceuticals, cosmetics, and dietary supplements for the prevention and treatment of cancer, HIV,and other human pathogen...

journal_title：Natural product reports

authors： Krasutsky PA

更新日期：2006-12-01 00:00:00

abstract：:Covering: up to September 2015. Meroterpenoids are hybrid natural products that partially originate from the terpenoid pathway. The meroterpenoids derived from fungi display quite diverse structures, with a wide range of biological properties. This review summarizes the molecular bases for their biosyntheses, which we...

journal_title：Natural product reports

authors： Matsuda Y,Abe I

更新日期：2016-01-01 00:00:00