On the tautomerism of 2,4-disubstituted 3,4,5,6-tetrahydrobenzohquinazolines

TamásLóránd; AndrásFöldesi; FerencAradi

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On the tautomerism of 2,4-disubstituted 3,4,5,6-tetrahydrobenzohquinazolines

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The tautomerism of the title compounds was investigated by1H-,13C-NMR and UV spectroscopy. Compound5was compared with respect to its spectra with those of appropriate model compounds1,3,4, and6. This gave evidence that5predominates in the tautomeric from5A.

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《Monatshefte fur Chemie》 |1991年第3期|209-213|共页
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TamásLóránd; AndrásFöldesi; FerencAradi;
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University Medical School;

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1. ChemInform Abstract: Tautomerism of 2,4‐Disubstituted 3,4,5,6‐Tetrahydrobenzo(h) quinazolines. [J] . T. LORAND, A. FOELDESI, F. ARADI Chem Inform . 1991,第26期

机译：ChemInform Abstract: Tautomerism of 2,4‐Disubstituted 3,4,5,6‐Tetrahydrobenzo(h) quinazolines.
2. ChemInform Abstract: Synthesis and Structure of 2‐Phenyl‐4‐aryl‐3,4,5,6‐tetrahydrobenzo(h) quinazolines. [J] . P. PERJESI, A. FOELDESI, J. TAMAS Chem Inform . 1993,第27期

机译：ChemInform Abstract: Synthesis and Structure of 2‐Phenyl‐4‐aryl‐3,4,5,6‐tetrahydrobenzo(h) quinazolines.
3. ChemInform Abstract: Heterocyclic Systems Containing Bridgehead Nitrogen Atom. Part 74. Reaction of 4‐Phenyl‐3,4,5,6‐tetrahydrobenzo(h)quinazoline‐2(1H)‐ thione with α‐Haloacids and Dibromoethane. [J] . R. PAL, R. N. HANDA, H. K. PUJARI Chem Inform . 1993,第51期

机译：ChemInform Abstract: Heterocyclic Systems Containing Bridgehead Nitrogen Atom. Part 74. Reaction of 4‐Phenyl‐3,4,5,6‐tetrahydrobenzo(h)quinazoline‐2(1H)‐ thione with α‐Haloacids and Dibromoethane.
4. ESR study of photodecomposition mechanism of a long-lived radical perfluoro-2,4-dimethly-3, ESR spectrum of trifluoromethyl radical formed during solid-phase photodecomposition at 77 K in glassy matrix [C] . S. R. Allayarov, D. A. Gordon Asia Pacific Electron Paramagnetic Resonance/Electron Spin Resonance Symposium . 2002

机译：长寿命自氟-2,4-二硫-2,4-二硫-2,4-二硫-3，在玻璃基质中的固相光分解期间形成的三氟甲基ESR光谱的光致基团的ESR研究
5. Impacts of 2,4-Dichlorophenoxyacetic Acid (2,4-D) on Early Developmental Life Stages of Freshwater Fish [D] . Dehnert, Gavin. 2020

机译：2,4-二氯苯乙烯酸（2,4-D）对淡水鱼早期发育寿命的影响
6. catena-Poly[diammonium [diaquabis(pyridine-2,4-dicarboxylato-κ2N,O2)cuprate(II)] [[diaquacopper(II)]-μ-pyridine-2,4-dicarboxylato-κ3N,O2:O2′-[tetraaquacadmium(II)]-μ-pyridine-2,4-dicarboxylato-κ3O2:N,O2′] hexahydrate] [O] . Guan-Hua Wang, Zhi-Gang Li, Heng-Qing Jia, 2016

机译：catena-Poly [二铵[diaquabis（pyridine-2,4-dicarboxylato-κ2）N，O2）铜酸盐（II）] [[透钙铜（II）]-μ-吡啶-2,4-二羧基羧基-κ3N，O2：哦2'-[四水合镉（II）]-μ-吡啶-2,4-二羧基羧基-κ3零2：N，O2']六水合物]
7. A Direct Route to 6,6Ã¢Â€Â™-Disubstituted-2,2Ã¢Â€Â™-Bipyridines by Double Diels-Alder/retro Diels-Alder Reaction of 5,5Ã¢Â€Â™-bi-1,2,4-Triazines [O] . D. Branowska 2005

机译：通过Double Diels-alder / 5,5¢，-1的反复Diels-alder反应的直接途径到6.6'¢，¢-Disubstituted-2,2Ã¢，â€¢-Bipyridines， 2,4-三嗪
8. Preparation of New Phosphoranes (C6H5)2P(O)NHC6F5 and C6H5P(O)(NHC6F5)2, 1,3-Bis(pentafluorophenyl)2,4-diphenyl-1,3,2,4-diazadiphosphetidine (C6H5PNC6F5)2, and 1,3-Bis (2-fluorophenyl) 2,4-diphenyl-2,4-dioxo-1,3,2,4-diazadiphosphetidine (C6H5P(O)NC6H4F)2 [R] . Alam, K., Scott, B., Kirchmeier, R. L., 1991

机译：制备新的正膦（C6H5）2p（O）NHC6F5和C6H5p（O）（NHC6F5）2,1,3-双（五氟苯基）2,4-二苯基-1,3,2,4-二氮杂二磷杂环庚烷（C6H5pNC6F5）2，和1,3-双（2-氟苯基）2,4-二苯基-2,4-二氧代-1,3,2,4-二氮杂二磷杂环己烷（C6H5p（O）NC6H4F）2

On the tautomerism of 2,4-disubstituted 3,4,5,6-tetrahydrobenzohquinazolines

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