Results 11 to 20 of about 1,712,028 (279)

Spiro-compounds. Part I. A New Route to Spiro compounds. Synthesis of cycloHexane-spiro- cyclopentane

, 1936
Spiro-compounds. Part I. A New Route to Spiro compounds.
NRIPENDRA NATH CHATTERJEE
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Divergent Synthesis of Methylene Lactone- and Methylene Lactam-Based Spiro Compounds: Utility of Amido-Functionalized γ‑Hydroxylactam as a Precursor for Cytotoxic N,O- and N,N‑Spiro Compounds

, 2019
Pharmaceutically attractive methylene lactone- and methylene lactam-based spiro compounds have been synthesized by employing amido-functionalized γ-hydroxylactam as a common intermediate.
Toshiyasu Inuzuka (1470808), Anna Shirai (7391528), Ayaka Takano (7391531), Tetsuya Sengoku (1470805), Masami Sakamoto (1470796), Masaki Takahashi (123617), Hidemi Yoda (1470799)   +6 more
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An Efficient Synthesis and Antibacterial Activity of Some Novel 3,4–Dihydropyrimidin-2-(1H)-Ones

Chemistry Proceedings, 2021
We have efficiently synthesized mono as well as bis and spiro cyclic products of 3,4-dihydropyrimidin-2(1H)-ones (DHPMs) by refluxing a reaction mixture of the three components in deep eutectic solvent (DES) to generating “libraries from libraries ...
Nilesh S. Pawar, Pramod N. Patil, Rajashri N. Pachpande   +2 more
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Phosphorus−Nitrogen Compounds. Part 13. Syntheses, Crystal Structures, Spectroscopic, Stereogenic, and Anisochronic Properties of Novel Spiro-Ansa-Spiro-, Spiro-Bino-Spiro-, and Spiro-Crypta Phosphazene Derivatives

, 2016
The condensation reactions of N2Ox (x = 2, 3) donor-type aminopodand (4) and dibenzo-diaza-crown ethers (5, 6, and 9) with hexachlorocyclotriphosphazatriene, N3P3Cl6, produce two kinds of partially substituted novel phosphazene derivatives, namely, spiro-
Aytuǧ Okumuş (2523892), Tuncer Hökelek (734759), Şemsay Demiriz (2523889), Zeynel Kılıç (2468812), Selen Bilge (2523895), Barış Tercan (2523886), Orhan Büyükgüngör (691966)   +6 more
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Synthesis and Characterization of New Spiroheterocyclic from Isatin and Evaluation of Some Their Antifungal and Antibacterial Activity [PDF]

مجلة جامعة الانبار للعلوم الصرفة
Spiro compounds Spiro cycles are widely found in natural products, medicines, and functional materials[1] the spiro atom forces the planes of the two rings to almost face one another, spiro compounds are a desirable subclass of heterocyclic scaffolds. In
Zubaida Al-Heety, Ali Al-Nasseri
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Synthesis and Characterization of a Three Rings Heterocyclic Spiro Furan and Evaluation of its Cytotoxicity Properties on G-292 Cell Lines [PDF]

شیمی کاربردی روز, 2021
Synthesis and study of the medicinal properties of new spiro compounds with various functional groups is of great interest to organic and pharmaceutical researchers because of their special structure and conformation. Multi-component reactions are one of
Mona Besharat, Samira Arab-Salmanabadi, Omid Moradi   +2 more
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New 6′-Amino-5′-cyano-2-oxo-1,2-dihydro-1′H-spiro[indole-3,4′-pyridine]-3′-carboxamides: Synthesis, Reactions, Molecular Docking Studies and Biological Activity

Molecules, 2023
The purpose of this work was to prepare new isatin- and monothiomalondiamide-based indole derivatives, as well as to study the properties of the new compounds.
Victor V. Dotsenko, Nawras T. Jassim, Azamat Z. Temerdashev, Zainab R. Abdul-Hussein, Nicolai A. Aksenov, Inna V. Aksenova   +5 more
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Multicomponent synthesis, biological evaluation and molecular docking of new spiro-oxindole derivatives

Journal of Taibah University for Science, 2017
A new series of spiro-oxindoles that were identified based upon their ability to inhibit methionine tRNA synthase (PDB ID: 1PFV) and glucosamine-6-phosphate synthase (PDB ID: 1JXA) enzymes in virtual screening was synthesized by a three-component 1,3 ...
M. Sapnakumari, B. Narayana, K.S. Shashidhara, B.K. Sarojini   +3 more
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Microwave Assisted Synthesis of Some New Heterocyclic Spiro-Derivatives with Potential Antimicrobial and Antioxidant Activity

Molecules, 2010
Homophthalic anhydride reacts with different aromatic amines to produce N-substituted homophthalimides. Bromination of the latter produces 4,4-dibromo-homophthalimide derivatives that can be used as precursors for spiro-derivatives.
Mohamed Mohamed Youssef, Mahmoud Ahmed Amin   +1 more
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Spiro compounds: synthesis and applications

, 2022
A comprehensive treatment of the latest research in, and applications of, spiro compoundsSpiro Compounds: Synthesis and Applications combines discussions of the latest advances in spiro compound research with the most cutting-edge, real-world ...

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