Showing 341 - 360 results of 847 for search '"aromaticity"', query time: 0.04s Refine Results
  1. 341

    An Efficient and Recycling Catalyst for the One-Pot Three-Component Synthesis of Substituted 3,4-Dihydropyrimidin-2(1H)-ones by Taoues Boumoud, Boudjemaa Boumoud, Salah Rhouati, Ali Belfaitah, Abdelmadjid Debache, Paul Mosset

    Published 2008-01-01
    “…The Biginelli one-pot three-component cyclocondensation was applied in this work to prepare 3,4-dihydropyrimidinone and its analogues using the first derivative of lead, Pb(NO3)2, as a recycling catalyst, from a diversity of aromatic aldehydes, β-ketoesters and urea. The reaction was carried out in refluxing acetonitrile and afforded the target molecules in good to excellent yields. …”
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    Article
  2. 342

    Research on Assessment Method of Sediment Pollution in River and Lake by HUANG Senjun, ZHOU Yan, RONG Hua, ZHANG Ge

    Published 2020-01-01
    “…This paper discusses and summarizes the pollution assessment methods for heavy metal, organic matter and polycyclic aromatic hydrocarbons (PAHs) respectively, and compares and analyzes the advantages and disadvantages of the assessment methods for heavy metal pollution based on the column data of Maozhou River, which will provide valuable reference and technical support for sediment pollution control.…”
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    Article
  3. 343

    Les producteurs-cueilleurs de plantes aromatiques et médicinales (PAM) en France hexagonale et en Guyane : convergences, singularités et enjeux by Lucie Dejouhanet, Florence Pinton

    Published 2023-06-01
    “…While medicinal and aromatic plants (MAPs) are subject to an increasing interest and a growing demand, this paper focuses on MAP farmer-gatherers’ work. …”
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    Article
  4. 344

    The structure and characteristics of photochromic dithienylethenes by M. M. Krayushkin, L. G. Vorontsova, B. M. Uzhinov

    Published 2001-01-01
    “…It means that there is no conjugation between π-electrons of aromatic heterocycles and double bond of the bridge.…”
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    Article
  5. 345

    Benefits of Gardenia jasminoides Ellis’s floral volatile components on human emotions and moods by Yan Cai, Hannan Chen, Xin Zhang, Wanning Bu, Wei Ning

    Published 2025-02-01
    “…Investigating the impact of the aromatic scent of plants on the physical and mental well-being of college students is essential. …”
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    Article
  6. 346

    A review on egg waste-based adsorbents for the removal of organic and inorganic contaminants from aqueous solution by Alusani Manyatshe, Linda Lunga Sibali

    Published 2025-02-01
    “…Most studies have focused on using adsorbents based on eggshells to remove various contaminants, including dyes, phenols, aromatic carbons, anions, metals, and pharmaceuticals. …”
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    Article
  7. 347

    EFFECT OF SOME ESSENTIAL OIL AND ORGANIC ACIDS ON BLOOD PICTURE , LIPID PROFILE AND INTESTINAL HEALTH IN BROILER CHICKENS by Saad M. H., S. S. Hameed, A. J. Ali

    Published 2024-12-01
    “…In conclusion the mix Essential Oil and Aromatic Oil supplementation to the broiler diet improve blood picture (RBCs .WBCs,Hb and PCV) and enhanced with maintenance the function of the small intestine . …”
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    Article
  8. 348

    Allelic diversity of the <i>FaOMT</i> gene (mesifurane biosynthesis) in promising strawberry cultivars and selected forms developed at the I.V. Michurin Federal Science Center by A. S. Lyzhin, I. V. Luk’yanchuk

    Published 2022-06-01
    “…Identification of genotypes carrying the genes of the aromatic complex in fruits is an important stage in the development of new cultivars with aromatic fruits. …”
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    Article
  9. 349
  10. 350

    Combining synchrotron vacuum-ultraviolet photoionization mass spectrometry and gas chromatography–mass spectrometry for isomer-specific mechanistic analysis with application to the... by Guangxian Xu, Hong Wang, Jinyang Zhang, Jiao Gao, Jiwen Guan, Qiang Xu, Donald G. Truhlar, Zhandong Wang

    Published 2024-12-01
    “…An excited electronic-state pathway has been proposed to account for the formation of 14π aromatic anthracene in the benzyl (b-C7H7) self-reaction. …”
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  11. 351

    Spatial-temporal Characteristics and Source Apportionment of Ambient VOCs in Southeast Mountain Area of China by Xiaoting Ji, Ke Xu, Dan Liao, Gaojie Chen, Taotao Liu, Youwei Hong, Sijun Dong, Sung-Deuk Choi, Jinsheng Chen

    Published 2022-03-01
    “…Aromatics contributed the most to secondary organic aerosols (SOA) formation in both county and rural areas. …”
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    Article
  12. 352

    Volatile organic compounds of hoary stock are responsible for suppressing downy mildew of grape in an intercropping system by Weiping Deng, Fei Du, Rongliang Yang, Hanyang Yao, Min Yang, Xinyue Mei, Chen Ye, Su Li, Yixiang Liu, Huichuan Huang, Shusheng Zhu

    Published 2025-01-01
    “…It has been observed that intercropping grapevines (Vitis vinifera) with aromatic plants can effectively suppress the airborne disease and volatile organic compounds (VOCs) from the aromatic plants are believed to have antimicrobial activities. …”
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    Article
  13. 353

    Synthesis and Biological Activity of 3-Chloro-1-(4-perimidine methylcarbonylamino)-4-phenyl-azetidin-2-one by Dinesh R. Panchasara, Subhash Pande

    Published 2009-01-01
    “…Perimidine-1-acetic acid hydrazide (1) undergoes facile condensation with aromatic aldehydes to afford the corresponding azomethine (i.e. …”
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  14. 354

    Effect of Position and Number of Hydroxyl Groups on the Oscillatory Behaviour of Isomers of Hydroxybenzoic Acid by Masood A. Nath, Nadeem B. Ganaie, R. P. Rastogi, G. M. Peerzada

    Published 2009-01-01
    “…The number and the relative position of hydroxyl groups (-OH) in the aromatic ring is found to influence the oscillatory behaviour. …”
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  15. 355

    Synthesis and Biological Evaluation of Some New Chalcones Containing 2,5-Dimethylfuran Moiety by S. Sridhar, S. C. Dinda, Y. Rajendra Prasad

    Published 2011-01-01
    “…A series of new chalcones (3a-g) were prepared by Claisen-Schmidt condensation of 3-acetyl-2,5-dimethylfuran with various substituted aromatic aldehydes in presence of aqueous solution of potassium hydroxide and ethanol at room temperature. …”
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    Article
  16. 356

    The Passion Fruit in Florida by Mark Bailey, Ali Sarkhosh, Amir Rezazadeh, Joshua Anderson, Alan Chambers, Jonathan H. Crane

    Published 2021-01-01
    “… Passion fruit is a short-lived evergreen perennial vine that produces an aromatic and tropical-tasting fruit. This new 13-page publication of the UF/IFAS Horticultural Sciences Department provides a description of passion fruit and its various species and cultivars, as well as a guide to culture and management, harvest and storage, its pests and diseases, and food and marketing. …”
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    Article
  17. 357

    Synthesis and Characterization of PPV Monomer for Subsequent Electropolymerization by Álvaro Fontana, Fábio Santana dos Santos, Flávia Aparecida Fonseca, Adonilson Dos Reis Freitas, Andersson Barison, Jarem Raul Garcia

    Published 2015-01-01
    “…An iodine atom was added to one end of the aromatic ring and then the iodine atom was substituted by a cyano group. …”
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  18. 358

    The Passion Fruit in Florida by Mark Bailey, Ali Sarkhosh, Amir Rezazadeh, Joshua Anderson, Alan Chambers, Jonathan H. Crane

    Published 2021-01-01
    “… Passion fruit is a short-lived evergreen perennial vine that produces an aromatic and tropical-tasting fruit. This new 13-page publication of the UF/IFAS Horticultural Sciences Department provides a description of passion fruit and its various species and cultivars, as well as a guide to culture and management, harvest and storage, its pests and diseases, and food and marketing. …”
    Get full text
    Article
  19. 359

    Investigation of Friedel-Crafts Alkylation in the Presence of Supported Sulfonic Acid on Silica Gel by A. R. Kiasat, M. Karimi-Cheshmeali, R. Soleymani, H. Rajabzadeh

    Published 2012-01-01
    “…The solid acid supported on silica gel and then as an effective catalyst in Friedel-Crafts alkylation of alcohols and aromatic compounds was used. The reaction progress was controlled using thin layer chromatography and the reaction products were analyzed using IR spectroscopy devise. …”
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  20. 360

    Florida Woods Cockroach Eurycotis floridana (Walker) by Christopher S. Bibbs, Rebecca W. Baldwin

    Published 2012-01-01
    “…It is one of the species commonly referred to as palmetto bugs and is also called a “stinkroach” or “skunk cockroach” due to its aromatic defensive secretions. This 6-page fact sheet was written by Christopher S. …”
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