Results 111 to 120 of about 921 (148)

Solid-phase synthesis of compound libraries around the 1,5-benzodiazocine-2,6-dione privileged structure-like scaffold [PDF]

, 2017
Elmetwally, Heba
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1,5‐Diazocine

Angewandte Chemie, 1985
Die stabilen Doppelbindungsisomere 1 und 1′ waren eine der Überraschungen, die die wenig untersuchten 1,5‐Diazocine zu bieten haben. Von anders substituierten Verbindungen dieser Klasse liegt, soweit geprüft, jeweils nur ein Isomer mit fixierten Doppelbindungen vor.
Christoph Schnieders, Walter Huber, Johann Lex, Klaus Müllen   +3 more
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1,2-Diazocines,1,3-Diazocines,Triazocines,and Tetrazocines

ChemInform, 1990
Publisher Summary This chapter discusses the eight-membered heterocycles containing (a) two nitrogens, (b) three nitrogens, and (c) four nitrogens. In this chapter, all the compounds are classified according to the actual relationship of the eight-membered ring nitrogens to each other, regardless of formal nomenclature.
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Synthesis of 1,5-diazocin-2-ones

Russian Chemical Bulletin, 2021
This review is focused on the synthetic approaches to the eight-membered nitrogen heterocycles, 1,5-diazocin-2-ones, exhibiting promising biological activities. Nomenclature of these compounds is considered and the examples of the natural and pharmacologically important compounds of the 1,5-diazocin-2-one family are given.
J. P. Matheny, A. V. Aksenov, M. Rubin
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Diazocines on Molecular Platforms

European Journal of Organic Chemistry, 2014
AbstractNew diazocines as photochromic switches for the surface functionalization via the “platform approach” were synthesized and characterized. Symmetric diazocines as well as asymmetric molecules based on an indane scaffold were obtained and their photochromic properties were investigated.
Tobias Tellkamp, Jun Shen, Yoshio Okamoto, Rainer Herges   +3 more
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ChemInform Abstract: 1,5‐Diazocine.

Chemischer Informationsdienst, 1985
AbstractDas Diazasemibullvalen (Ia) lagert sich beim Erhitzen in das entsprechende 1,5‐Diazocin um, welches in Form der beiden nicht trennbaren Doppelbindungsisomeren (II) und (III) vorliegt.
C. SCHNIEDERS, W. HUBER, J. LEX, K. + MUELLEN   +3 more
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Solvent-Free Synthesis of Diazocine

Synthesis, 2017
A convenient two-step synthesis of diazocine starting from 2-nitrotoluene is described. The first step, the oxidative dimerization of 2-nitrotoluene, is improved to 95% yield. The second step, the reductive azo cyclization, is performed as a solvent-free reaction with lead powder in a ball mill (51% yield).
Widukind Moormann, Daniel Langbehn, Rainer Herges   +2 more
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Synthetic strategies and diversification of dibenzo[1,5]diazocines

Organic & Biomolecular Chemistry, 2023
Recent synthetic approaches and functionalisation of dibenzo[1,5]diazocines, epiminodibenzo[1,5]diazocines and epoxydibenzo[1,5]diazocines are reviewed.
Abdul Qaiyum Ramle, Edward R. T. Tiekink
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Cross-Coupling Strategy for the Synthesis of Diazocines

Organic Letters, 2020
Ethylene bridged azobenzenes are novel, promising molecular switches that are thermodynamically more stable in the (Z) than in the (E) configuration, contrary to the linear azobenzene. However, their previous synthetic routes were often not general, and yields were poorly reproducible, and sometimes very low.
Shuo Li, Nadi Eleya, Anne Staubitz
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ChemInform Abstract: DIAZOCIN‐CHEMIE 6. MITT. AROMATISCHER CHARAKTER VON 5,6‐DIHYDRODIBENZO(B,F)(1,2)DIAZOCIN

Chemischer Informationsdienst. Organische Chemie, 1970
Abstract2,2′‐Dinitrodibenzyl (I) kann mit Zn/Ba(OH)2 zum cyclischen Hydrazin (II) reduziert und nach Oxydation zur Azoverbindung (III) zu (IV) bromiert werden.
W. W. PAUDLER, A. G. ZEILER
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