[PDF][PDF] Allelochemicals as leads for new herbicides and agrochemicals

JR Vyvyan - Tetrahedron, 2002 - pharmacy.hebmu.edu.cn
Maximizing the world's agricultural efficiency depends largely on controlling a variety of
diseases and pestsÐ especially weeds. Weeds, simply defined as plants growing in an …

Formation of medium-ring heterocycles by diene and enyne metathesis

SK Chattopadhyay, S Karmakar, T Biswas… - Tetrahedron, 2007 - Elsevier
The word 'metathesis' describes the interchange of covalent bonds between two molecules.
In olefin chemistry, it refers to the redistribution of alkylidene moieties between two alkenes …

Recent Advancement in Palladium-Catalyzed C–C Bond Activation of Strained Ring Systems: Three-and Four-Membered Carbocycles as Prominent C3/C4 Building …

T Nanda, M Fastheem, A Linda, BV Pati… - ACS …, 2022 - ACS Publications
In recent years, transition metal-catalyzed strong C–C bond activation has significantly
attracted the attention of synthetic chemists. This protocol enables simultaneous and direct …

Allelopathy as a new strategy for sustainable ecosystems development

FA Macías, D Marín, A Oliveros-Bastidas… - Biological sciences in …, 2003 - jstage.jst.go.jp
Natural products involved in plant-plant and plant-microorganism ecological interaction
(Allelochemicals) are an important potential source for alternative agrochemicals and …

Visible-light-induced radical cascade cyclization of 1-(allyloxy)-2-(1-arylvinyl) benzenes with sulfonyl chlorides for the synthesis of sulfonated benzoxepines

N Zhou, K Kuang, M Wu, S Wu, Z Xia, Q Xu… - Organic Chemistry …, 2021 - pubs.rsc.org
A visible light photocatalyzed cascade sulfonylation/cyclization of 1-(allyloxy)-2-(1-arylvinyl)
benzenes with sulfonyl chlorides for the construction of sulfonated benzoxepines is …

FeCl 3-catalyzed synthesis of functionally diverse dibenzo [b, f] oxepines and benzo [b] oxepines via alkyne–aldehyde metathesis

K Bera, S Jalal, S Sarkar, U Jana - Organic & Biomolecular Chemistry, 2014 - pubs.rsc.org
An efficient synthesis of dibenzo [b, f] oxepines and benzo [b] oxepines via FeCl3-catalyzed
alkyne–aldehyde metathesis reaction is described. Structurally diverse dibenzo [b, f] …

Palladium-Catalyzed Sequential Alkylation− Alkenylation Reactions. Application to the Synthesis of 2-Substituted-4-Benzoxepines and 2, 5-Disubstituted-4 …

M Lautens, JF Paquin, S Piguel - The Journal of Organic …, 2002 - ACS Publications
The synthesis of 2-substituted-4-benzoxepines and 2, 5-disubstituted-4-benzoxepines from
aryl iodides and bromoenoates is described. This methodology is based on a palladium …

tert‐Butyl Hydroperoxide‐Initiated Radical Cyclization of 1‐(Allyloxy)‐2‐(1‐Arylvinyl)Benzenes with Sulfinic Acids to Access Sulfonated Benzoxepines

N Zhou, K Kuang, M Wu, S Wu, Q Xu… - Advanced Synthesis …, 2021 - Wiley Online Library
A tert‐butyl hydroperoxide‐initiated radical cyclization of 1‐(allyloxy)‐2‐(1‐arylvinyl)
benzenes with sulfinic acids for the construction of sulfonated benzoxepines is developed …

Gold-Catalyzed Cyclizations of (o-Alkynyl)phenoxyacrylates with External Nucleophiles: Regio- and Stereoselective Synthesis of Functionalized Benzo[b]oxepines

J Liu, Y Liu - Organic letters, 2012 - ACS Publications
A catalytic approach to benzo [b] oxepines with high stereoselectivity by Au-catalyzed
cyclization of (o-alkynyl) phenoxyacrylates with various nucleophiles under mild reaction …

Base-Promoted Formal [4 + 3] Annulation between 2-Fluorophenylacetylenes and Ketones: A Route to Benzoxepines

L Ouyang, C Qi, H He, Y Peng, W Xiong… - The Journal of …, 2016 - ACS Publications
The first base-promoted formal [4+ 3] annulation between 2-fluorophenylacetylenes and
ketones has been disclosed. The reaction proceeds through a tandem α-vinylation of …