Results 81 to 90 of about 66,085 (162)

Synthesis of 2-Oxazolines from N-Allyl and N-Propargyl Amides

Molecules
2-Oxazolines are five-membered heterocyclic compounds with significant biological properties. They also play an important role in organic synthesis, acting as chiral ligands and protecting groups for hydroxyamino acids and amino alcohols.
Karolina Bojar, Danuta Branowska, Ewa Wolińska   +2 more
doaj   +1 more source

Comparing effects of tangerine-peel (Citrus reticulata Blanco) age and concentration on deep-fried rabbit meat: Impact on heterocyclic aromatic amines, amino acids, and flavor compound formation

Food Chemistry: X
Many nutritional experts recommend rabbit meat as a high-protein source. However, the high temperatures used to prepare deep-fried rabbit meat (DFRM) typically produce numerous heterocyclic aromatic amines (HAAs), a class of substances with carcinogenic ...
Chunyuan Ping, Xiangdong Zhao, Congcong He, Yingying Zheng, Haibao Zhang   +4 more
doaj   +1 more source

Synthesis of New Fluorine Substituted Heterocyclic Nitrogen Systems Derived from p-Aminosalicylic Acid as Antimycobacterial Agents

Journal of Chemistry, 2013
Some new fluorine substituted heterocyclic nitrogen systems 2–17 have been synthesized from ring closure reactions of substituted p-amino salicylic acids (PAS).
Mohammed Saleh I. T. Makki, Reda M. Abdel-Rahman, Hassan M. Faidallah, Khalid A. Khan   +3 more
doaj   +1 more source

Types and properties of metal-free catalysts for living polymerizations of biomaterials [PDF]

, 2008
Syntéza biokompatibilních a biodegradabilních polyesterů, použitelných převážně v medicíně, využívá pro polymeraci za otevření kruhu katalyzátory na bázi kovu (např. Sn, Al atd.), které se mohou po implantaci deponovat v těle.
Repka, Martin
core  

Effect of Different Cooking Methods on the Flavor of Procambarus clarkii

Shipin gongye ke-ji
To investigate the influence of various cooking methods on the flavor profile of Procambarus clarkii (crayfish), a comparative study was conducted employing steaming, boiling, deep-frying, air-frying, microwave irradiation, and roasting as the culinary ...
Chuanfeng HU, Wenxing QIU, Xuan LIU, Shizhe WANG, Yu QIAO, Ziyi TU, Feng CAO, Shuangquan LIU   +7 more
doaj   +1 more source

Appliance Features of 4-Amino-1,2,4-triazole-3-thiols in the Synthesis of 3,6-Disubstituted [1,2,4]Triazolo[3,4-b][1,3,4]thiadiazoles: A Review

Acta Chimica Slovenica
4-Amino-5-substituted-4H-1,2,4-triazole-3-thiols are versatile synthons for constructing of various biologically active heterocycles. This is provided by the close proximity of the amino and mercapto groups, which serve as readily accessible ...
Maryan Lelyukh, Ivan Krukovskiy, Zoryana Komarenska, Nataliia Yelahina, Taras Chaban, Ihor Chaban   +5 more
doaj   +1 more source

Čudesna molekula benzotriazol [PDF]

Kemija u Industriji, 2007
In this paper, a review of reactions with benzotriazole as synthetic auxiliary is given. In contrast to most other azoles, benzotriazole reacts with phosgene in molar ratio 1:1 yielding carboxylic acid chloride (BtcCl, 1), which readily reacts with ...
Zorc, B., Butula, I.
doaj  

Chromatography of beer [PDF]

, 2013
The objectives of the review are the collection, concise description and evaluation of the various chromatographic techniques used for the separation and quantitative determination of macro- and microcomponents present in ...
Cserháti, Tibor, Szőgyi, Mária
core  

Formation of MeIQx and PhIP in model matrices from amino acids, carbohydrates, and creatine

Пищевые системы
The understanding of the reaction of HAA formation in foods is a key for finding methods for reduction of their quantity. Currently, more and more experimental works are dedicated to the question of HAA formation in model matrices to establish the main ...
D. A. Utyanov, A. V. Kulikovskii, D. V. Khvostov, A. A. Kurzova   +3 more
doaj   +1 more source

Novel heterocyclic α-amino acids with sulfur-containing side-chains

ARKIVOC, 2011
Raymond C. F. Jones, Lisa J. Crumpling, James N. Iley   +2 more
doaj   +1 more source