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There are 2759 results for: content related to: Intramolecular Polar [4 ⊕ +2] Cycloadditions of Aryl-1-aza-2-azoniaallene Salts: Unprecedented Reactivity Leading to Polycyclic Protonated Azomethine Imines

  1. Intramolecular Polar [4+2] Cycloadditions of Aryl-1-aza-2-azoniaallene Salts: Unprecedented Reactivity Leading to Polycyclic Protonated Azomethine Imines

    Angewandte Chemie International Edition

    Volume 52, Issue 50, December 9, 2013, Pages: 13338–13341, Dr. Daniel A. Bercovici, Dr. Jodi M. Ogilvie, Dr. Nikolay Tsvetkov and Prof. Matthias Brewer

    Version of Record online : 11 NOV 2013, DOI: 10.1002/anie.201306553

  2. Cycloadditions of 1-Aza-2-azoniaallene Salts derived from coumarin and camphor

    Journal für Praktische Chemie/Chemiker-Zeitung

    Volume 340, Issue 2, 1998, Pages: 151–159, Nasser A. Hassan, Tahia K. Mohamed, Omaima M. Abdel Hafez, Martin Lutz, Christoph C. Karl, Wolfgang Wirschun, Yaseen A. Al-Soud and Prof. Dr. Johannes C. Jochims

    Version of Record online : 25 OCT 2004, DOI: 10.1002/prac.19983400208

  3. 1-Carbon Cumulenes

    Cumulenes in Click Reactions

    Henri Ulrich, Pages: 13–44, 2009

    Published Online : 10 NOV 2009, DOI: 10.1002/9780470747957.ch2

  4. ChemInform Abstract: Syntheses of C- and N-Nucleosides from 1-Aza-2-azoniaallene and 1,3-Diaza-2-azoniaallene Salts.

    ChemInform

    Volume 29, Issue 28, July 14, 1998, Page: no, N. AL-MASOUDI, N. A. HASSAN, Y. A. AL-SOUD, P. SCHMIDT, A. E.-D. M. GAAFAR, M. WENG, S. MARINO, A. SCHOCH, A. AMER and J. C. JOCHIMS

    Version of Record online : 21 JUN 2010, DOI: 10.1002/chin.199828264

  5. 1,3-Diaza-2-azoniaallene Salts as Novel N3-Building Blocks: Preparation and cycloadditions to alkenes, alkynes, carbodiimides, and cyanamides

    Journal für Praktische Chemie/Chemiker-Zeitung

    Volume 340, Issue 4, 1998, Pages: 300–308, Dr. Wolfgang Wirschun

    Version of Record online : 25 OCT 2004, DOI: 10.1002/prac.19983400403

  6. Theoretical Studies on Cycloaddition Reactions between 1-Aza-2-azoniaallene Cations and Isocyanates

    European Journal of Organic Chemistry

    Volume 2004, Issue 19, October 2004, Pages: 4070–4076, Mei-Ju Wei, De-Cai Fang and Ruo-Zhuang Liu

    Version of Record online : 16 SEP 2004, DOI: 10.1002/ejoc.200400343

  7. Some reactions of 1,3-Dichloro-2-azoniaallene Salts with heteronucleophiles

    Journal für Praktische Chemie/Chemiker-Zeitung

    Volume 337, Issue 1, 1995, Pages: 274–282, A. Hamed, M. Sedeak, A.-H. Ismail, R. Stumpf, H. Fischer and Prof. Dr. J. C. Jochims

    Version of Record online : 25 OCT 2004, DOI: 10.1002/prac.19953370158

  8. On the Reaction of 1-Aza-2-azoniaallene Salts with Isocyanates

    Chemische Berichte

    Volume 127, Issue 5, May 1994, Pages: 947–953, Quanrui Wang, Susanne Mohr and Johannes C. Jochims

    Version of Record online : 26 JAN 2006, DOI: 10.1002/cber.19941270524

  9. Ene Reactions and [2+2]Cycloadditions of Nitrilium Salts with Alkenes

    Journal für Praktische Chemie/Chemiker-Zeitung

    Volume 339, Issue 1, 1997, Pages: 615–622, A. H. Moustafa, W. Wirschun, C. C. Freyhardt, Prof. Dr. Johannes C. Jochims and R. Abu-El-Halawa

    Version of Record online : 25 OCT 2004, DOI: 10.1002/prac.199733901110

  10. A DFT study on the mechanisms for the cycloaddition reactions between 1-Aza-2-azoniaallene cations and carbodiimides

    International Journal of Quantum Chemistry

    Volume 112, Issue 3, 5 February 2012, Pages: 809–822, Jing-Mei Wang, Zhi-Minhg Li, Quan-Rui Wang and Feng-Gang Tao

    Version of Record online : 4 APR 2011, DOI: 10.1002/qua.23065

  11. On the Reaction of 1-Aza-2-azoniaallene Salts with Carbodiimides

    Chemische Berichte

    Volume 126, Issue 11, November 1993, Pages: 2519–2524, Quanrui Wang, Carsten Troll, Helmut Fischer, Johannes C. Jochims and Atef Amer

    Version of Record online : 23 JAN 2006, DOI: 10.1002/cber.19931261128

  12. On the Reaction of 1-Aza-2-azoniaallene Salts with Acetylenes

    Chemische Berichte

    Volume 127, Issue 3, March 1994, Pages: 541–547, Quanrui Wang, Mahmoud Al-Talib and Johannes C. Jochims

    Version of Record online : 25 JAN 2006, DOI: 10.1002/cber.19941270313

  13. Reactions of 1-Thia-3-azoniabutatriene Salts with Alcohols, Carbonyl Compounds, Diazoalkanes, Nitrile Oxides, Nitrones, Enamines, and Butadienes

    Chemische Berichte

    Volume 124, Issue 11, November 1991, Pages: 2537–2544, Hans-Jürgen Lubberger, Edgar Müller, Josef Hofmann, Helmut Fischer and Johannes C. Jochims

    Version of Record online : 25 JAN 2006, DOI: 10.1002/cber.19911241124

  14. Cycloaddition Reactions of 1,3-Diaza-2-azoniaallene Salts and Glycals

    Journal für praktische Chemie

    Volume 342, Issue 5, June 2000, Pages: 486–493, Min Weng, Armin Geyer, Anke Friemel, J. C. Jochims and Martin Lutz

    Version of Record online : 6 JUL 2000, DOI: 10.1002/1521-3897(200006)342:5<486::AID-PRAC486>3.0.CO;2-S

  15. Noncarbon Cumulenes

    Cumulenes in Click Reactions

    Henri Ulrich, Pages: 475–540, 2009

    Published Online : 10 NOV 2009, DOI: 10.1002/9780470747957.ch7

  16. ChemInform Abstract: (3 + 2) Cycloadditions of 1-Aza-2-azoniaallene Cations to Multiple Bonds.

    ChemInform

    Volume 25, Issue 6, February 8, 1994, Page: no, Q. WANG, A. AMER, S. MOHR, E. ERTEL and J. C. JOCHIMS

    Version of Record online : 19 AUG 2010, DOI: 10.1002/chin.199406060

  17. Cycloadditions of 1-Thia-3-azoniabutatriene Salts to Azomethines, Carbodiimides, and Ketene Imines

    Chemische Berichte

    Volume 123, Issue 3, März 1990, Pages: 499–503, Johannes C. Jochims, Hans-Jürgen Lubberger and Lutz Dahlenburg

    Version of Record online : 26 JAN 2006, DOI: 10.1002/cber.19901230316

  18. ChemInform Abstract: Reaction of 1-Aza-2-azoniaallene Salts with Isocyanates.

    ChemInform

    Volume 25, Issue 36, September 6, 1994, Page: no, Q. WANG, S. MOHR and J. C. JOCHIMS

    Version of Record online : 19 AUG 2010, DOI: 10.1002/chin.199436159

  19. ChemInform Abstract: The Reaction of α-Chloro Carbenium Salts with Nitriles: Formation of Chloro-Substituted 2-Azoniaallene Salts.

    ChemInform

    Volume 21, Issue 19, May 8, 1990, Page: no, J. C. JOCHIMS, A. HAMED, TRAN HUU PHUOC TRAN HUU PHUOC, J. HOFMANN and H. FISCHER

    Version of Record online : 25 MAY 2016, DOI: 10.1002/chin.199019217

  20. ChemInform Abstract: Cycloadditions of 1-Aza-2-azoniaallene Salts Derived from Coumarin and Camphor.

    ChemInform

    Volume 29, Issue 26, June 30, 1998, Page: no, N. A. HASSAN, T. K. MOHAMED, O. M. ABDEL HAFEZ, M. LUTZ, C. C. KARL, W. WIRSCHUN, Y. A. AL-SOUD and J. C. JOCHIMS

    Version of Record online : 21 JUN 2010, DOI: 10.1002/chin.199826056