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Journal articles on the topic 'Tetrahydrophthalic acid'

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1

Klimova, E. I., V. N. Postnov, N. N. Meleshonkova, M. Martines Garcia, A. S. Zaks та V. V. Yushkov. "Biological activity of ferrocenyl-substituted derivatives of δ4-tetrahydrophthalic acid". Pharmaceutical Chemistry Journal 28, № 6 (1994): 401–5. http://dx.doi.org/10.1007/bf02285399.

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2

Iskenderova, S. A., N. F. Sadiyeva, L. M. Efendiyeva, Sh N. Asadova, Yu P. Cherepnova, and A. P. Musayeva. "New plasticizers for cellulose esters." Plasticheskie massy, no. 1-2 (March 19, 2020): 15–16. http://dx.doi.org/10.35164/0554-2901-2020-1-2-15-16.

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A method of obtaining of diesters and epoxy diesters of 3,6-endomethylene tetrahydrophthalic acid was studied. The conditions for the synthesis of diesters and epoxydiesters are found and their physic-chemical parameters are determined. A preliminary assessment of the possibility of using the synthesized epoxy diesters as plasticizers for cellulose esters was carried out. It was found that the new esters significantly increase the physicomechanical properties of etrols.
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3

KLIMOVA, E. I., V. N. POSTNOV, N. N. MELESHONKOVA, M. MARTINEZ-GARCIA, A. S. ZAKS та V. V. YUSHKOV. "ChemInform Abstract: Biological Activity of Ferrocenyl-Substituted Derivatives of δ4- Tetrahydrophthalic Acid." ChemInform 25, № 48 (2010): no. http://dx.doi.org/10.1002/chin.199448202.

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4

Sun, Xuanrong, Yue Cai, Zhuomin Xu, and Dabu Zhu. "Preparation and Properties of Tumor-Targeting MRI Contrast Agent Based on Linear Polylysine Derivatives." Molecules 24, no. 8 (2019): 1477. http://dx.doi.org/10.3390/molecules24081477.

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We developed a tumor-targeted contrast agent based on linear polylysine (PLL) by conjugating a small molecular imaging agent, fluorescent molecule and targeting agent amino phenylboronic acid onto the amino groups of polylysine, which can specifically target monosaccharide sialic acid residues overexpressing on the surface of tumor cell membranes. Further, 3,4,5,6-Tetrahydrophthalic anhydride (DCA) was attached to the free amino groups of the polylysine to change to a negative charge at physiology pH to lower the cytotoxicity, but it soon regenerated to a positive charge again once reaching th
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5

Costa, Bianca B. C., Rogério Corrêa, Marcia M. De Souza, et al. "Antinociceptive Effects of Tetrahydrophthalimides and Related Compounds." Zeitschrift für Naturforschung C 62, no. 3-4 (2007): 201–6. http://dx.doi.org/10.1515/znc-2007-3-408.

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Abstract This paper describes the antinociceptive effects of tetrahydrophthalimides and related compounds in mice. Twenty compounds were obtained by the reaction of cis-1,2,3,6-tetrahydrophthalic anhydride with appropriate amines, dehydration, and addition to the imidic double bond. They were analyzed in the writhing test at 10 mg/kg given intraperitoneally. The most active compound 2-benzyl-5-morpholin-4-yl-hexahydroisoindole-1,3-dione (19) was studied on formalin, capsaicin, glutamate and hot plate models. The antinociceptive activity demonstrated by some studied compounds is promising, and
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6

Paprocka, Renata, Jolanta Kutkowska, Ewelina Paczkowska, Godwin Munroe Mwaura, Andrzej Eljaszewicz, and Anna Helmin-Basa. "Synthesis, Evaluation of Biological Activity, and Structure–Activity Relationships of New Amidrazone Derivatives Containing Cyclohex-1-ene-1-Carboxylic Acid." Molecules 30, no. 8 (2025): 1853. https://doi.org/10.3390/molecules30081853.

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In recent years, the incidence of acute and chronic inflammatory diseases has increased significantly worldwide, intensifying the search for new therapeutic agents, especially anti-inflammatory drugs. Therefore, the aim of this work was to synthesize, biologically assess, and explore the structure–activity relationships of new compounds containing the cyclohex-1-ene-1-carboxylic acid moiety. Six new derivatives, 2a–2f, were synthesized through the reaction of amidrazones 1a–1f with 3,4,5,6-tetrahydrophthalic anhydride. Their toxicity was evaluated in cultures of human peripheral blood mononucl
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7

Jönsson, B. A. G., C. H. Lindh, C. A. Gustavsson, H. Welinder, and P. Pfäffli. "Determination of cyclic organic acid anhydrides in air using gas chromatography. Part 2. Sampling and determination of hexahydrophthalic anhydride, methylhexahydrophthalic anhydride, tetrahydrophthalic anhydride and octenylsuccinic anhydride." Analyst 121, no. 9 (1996): 1285–90. http://dx.doi.org/10.1039/an9962101285.

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8

Baykov, Sergey V., Artem V. Semenov, Sofia I. Presnukhina та ін. "Hybrid 2D Supramolecular Organic Frameworks (SOFs) Assembled by the Cooperative Action of Hydrogen and Halogen Bonding and π⋯π Stacking Interactions". International Journal of Molecular Sciences 25, № 4 (2024): 2062. http://dx.doi.org/10.3390/ijms25042062.

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The cis- and trans-isomers of 6-(3-(3,4-dichlorophenyl)-1,2,4-oxadiazol-5-yl)cyclohex-3-ene-1-carboxylic acid (cis-A and trans-A) were obtained by the reaction of 3,4-dichloro-N′-hydroxybenzimidamide and cis-1,2,3,6-tetrahydrophthalic anhydride. Cocrystals of cis-A with appropriate solvents (cis-A‧½(1,2-DCE), cis-A‧½(1,2-DBE), and cis-A‧½C6H14) were grown from 1,2-dichloroethane (1,2-DCE), 1,2-dibromoethane (1,2-DBE), and a n-hexane/CHCl3 mixture and then characterized by X-ray crystallography. In their structures, cis-A is self-assembled to give a hybrid 2D supramolecular organic framework (S
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9

Suzuki, Kiyoshi, Takashi Kume, and Tetsuo Takematsu. "Herbicidal Selectivity of N-Acyl-N-phenyl-3,4,5,6-tetrahydrophthalamic Acid Derivatives under Paddy Conditions." Journal of Weed Science and Technology 42, no. 3 (1997): 206–13. http://dx.doi.org/10.3719/weed.42.206.

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10

Suzuki, Kiyoshi, Takashi Kume, and Tetsuo Takematsu. "Herbicidal Selectivity of Post-emergence N-Acyl-N-phenyl-3,4,5,6-tetrahydrophthalamic Acid Derivatives in Soybean." Journal of Weed Science and Technology 42, no. 3 (1997): 214–20. http://dx.doi.org/10.3719/weed.42.214.

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11

Corrie, John E. T., and V. Ranjit N. Munasinghe. "Reaction of amino acids with exo-3,6-epoxy-1,2,3,6-tetrahydrophthalic anhydride forms hemi-maleate salts, not maleimides." Arkivoc 2003, no. 1 (2003): 69–72. http://dx.doi.org/10.3998/ark.5550190.0004.108.

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12

Shabanov, A. L., U. A. Gasanova, Z. O. Gakhramanova, and M. M. Gasanova. "Synthesis of macrocyclic compounds with steric barriers in macroheterocycle proceeding from (Z)-1,2,3,6-tetrahydrophthalic and phthalic acids." Russian Journal of Organic Chemistry 45, no. 11 (2009): 1714–17. http://dx.doi.org/10.1134/s1070428009110232.

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13

Krężel, Piotr, Teresa Olejniczak, Aleksandra Tołoczko, Joanna Gach, Marek Weselski, and Robert Bronisz. "Synergic Effect of Phthalide Lactones and Fluconazole and Its New Analogues as a Factor Limiting the Use of Azole Drugs against Candidiasis." Antibiotics 11, no. 11 (2022): 1500. http://dx.doi.org/10.3390/antibiotics11111500.

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The resistance of Candida albicans and other pathogenic yeasts to azole antifungal drugs has increased rapidly in recent years and is a significant problem in clinical therapy. The current state of pharmacological knowledge precludes the withdrawal of azole drugs, as no other active substances have yet been developed that could effectively replace them. Therefore, one of the anti-yeast strategies may be therapies that can rely on the synergistic action of natural compounds and azoles, limiting the use of azole drugs against candidiasis. Synergy assays performed in vitro were used to assess dru
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14

DULENKO, V. I., V. M. GOLYAK, N. N. ALEKSEEV, and N. F. GORENKO. "ChemInform Abstract: BISACYLATION OF 4-METHYL-1,2,3,4-TETRAHYDROPHTHALIC ACID ANHYDRIDE AND ESTERS." Chemischer Informationsdienst 16, no. 11 (1985). http://dx.doi.org/10.1002/chin.198511218.

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15

Hong, Shinn-Gwo, and Chia-Hau Lin. "Improvement of thermal properties of polyhydroxybutyrate by grafted chemicals." e-Polymers 10, no. 1 (2010). http://dx.doi.org/10.1515/epoly.2010.10.1.509.

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AbstractThe crystallization and thermal degradation behaviors of polyhydroxybutyrate (PHB) grafted with maleic acid (MAc) and exo-3,6-epoxy-1,2,3,6-tetrahydrophthalic anhydride (ETA) are analyzed with differential scanning calorimetry (DSC), dynamic thermogravimetric analysis (TGA), and gel permeation chromatography (GPC). It is obtained that the PHB grafted with MAc or ETA has a faster crystallization rate, larger crystallinity, and better thermal stability than the as-received PHB. The thermal stability of specimens are in the order of the as-received PHB < PHB grafted with ETA < PHB g
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16

Tang, Wei, Keyu Lian, and Junhua Zhang. "High Heat Resistance and Low Dielectric o‐Cresol Formaldehyde Epoxy Resin Solder Resist Containing Photocurable Small Molecular Compound Based on 3,4‐Epoxycyclohexylmethyl Methacrylate." Journal of Applied Polymer Science, February 3, 2025. https://doi.org/10.1002/app.56802.

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ABSTRACTHigh heat resistance and low dielectric constant are the development trend for PCB ink. Generally, higher crosslinking density and rigid molecular structure are beneficial for improving the heat resistance, and low polarity molecules and larger three‐dimensional structure are helpful for reducing dielectric constant. In this work, based on the photocurable small molecular epoxy compound 3,4‐epoxycyclohexylmethyl methacrylate (TTA15), we successively grafted it with acrylic acid (AA) and 1,2,5,6‐tetrahydrophthalic anhydride (THPA), named 15AT. After modification with AA and THPA, two un
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17

Xing, Wenjing, Ling Li, Yao Wang, et al. "Recyclable and shape‐memory hydantoin epoxy resins based on dynamic ester‐exchanged bonds." Polymer Engineering & Science, November 21, 2023. http://dx.doi.org/10.1002/pen.26562.

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AbstractThe permanent crosslinked network imparts chemical and mechanical stability to crosslinked elastomers, making their recycling a serious environmental issue. The decomposition products of pentaaryl diazoxide in the structure of hydantoin epoxy resin are nitrogen and carbon dioxide, and it is an environmentally friendly resin material. Here, we demonstrate a reversible covalent bonding reaction catalyzed by Zn2+ between the ester bond formed by the hydantoin epoxy resin and the acid anhydride, and construct a reversible crosslinked network structure of the environmentally friendly acid a
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18

Saleh, Khulood A., and Mayasa I. Ali. "Electro polymerization for (N-Terminal tetrahydrophthalamic acid) for Anti-corrosion and Biological Activity Applications." Iraqi Journal of Science, January 26, 2020, 1–12. http://dx.doi.org/10.24996/ijs.2020.61.1.1.

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The present work reports the electrochemical synthesis of poly N Terminal tetrahydrophthalamic acid on stainless steel 316 (S.S), which acts as a working electrode, using an electrochemical polymerization technique. Fourier Transform Infrared Spectroscopy (FT-IR), Atomic Force Microscope (AFM) and Scanning Electron Microscope (SEM) characterized the formed polymer film. Corrosion protection tests for coated and uncoated S.S with polymer film were studied in 0.2 M hydrochloric acid (HCl) solution by using electrochemical polarization technique. Kinetic and thermodynamic activation parameters (E
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