Items where Division is "Chemistry and Pharmacy > Institut für Organische Chemie" and Year is 1998

A

Adam, W. and Hafner, A. and Nikolaus, A. and Sauer, Jürgen and Schneider, F. W. (1998) Structural effects on the photopersistence of ester- and phenyl-substituted DBO-type polycyclic azoalkanes with cyclopropyl and norbornyl annelation. JOURNAL OF INFORMATION RECORDING, 24 (3-4). pp. 185-190. ISSN 1025-6008

B

Breu, Josef and Hoecht, Peter and Rohr, Uwe and Schatz, Jürgen and Sauer, Jürgen (1998) Thiocarbonyl compounds in [4+2] cycloadditions: Preparative aspects. EUROPEAN JOURNAL OF ORGANIC CHEMISTRY (12). pp. 2861-2873. ISSN 1434-193X, 1099-0690

Breu, Josef and Range, Klaus-Jürgen and Weber, Andreas and Sauer, Jürgen (1998) Nonstereospecific 1,3-dipolar cycloaddition reactions of azomethine ylides: Proof of the structures for four diastereoisomeric [3+2] cycloadducts. ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS, C54 (4). pp. 509-513. ISSN 0108-2701, 1600-5759

F

Fahmy, Amin F. and Sauer, Jürgen and Youssef, Mohamed Salah K. and Halim, Mohamed Said Abdel and Hassan, Mamdouh A. (1998) New synthesis of pyrido[2,3-d] and [3,2-d]oxazines. SYNTHETIC COMMUNICATIONS, 28 (15). pp. 2871-2886. ISSN 0039-7911, 1532-2432

L

Lambert, Christoph and Nöll, Gilbert (1998) One- and two-dimensional electron transfer processes in triarylamines with multiple redox centers. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 37 (15). pp. 2107-2110. ISSN 1433-7851, 1521-3773

Lambert, Christoph and Nöll, Gilbert and Schmälzlin, Elmar and Meerholz, Klaus and Bräuchle, Christoph (1998) Synthesis, (non)linear optical and redox properties of a donor-substituted truxenone derivative. CHEMISTRY-A EUROPEAN JOURNAL, 4 (11). pp. 2129-2135. ISSN 0947-6539, 1521-3765

Lambert, Christoph and Schmälzlin, Elmar and Meerholz, Klaus and Bräuchle, Christoph (1998) Synthesis and nonlinear optical properties of three-dimensional phosphonium ion chromophores. CHEMISTRY-A EUROPEAN JOURNAL, 4 (3). pp. 512-521. ISSN 0947-6539, 1521-3765

M

Mahboobi, Siavosh and Popp, Alfred and Burgemeister, Thomas and Schollmeyer, Dieter (1998) Diastereoselective synthesis of (-)-1-methyl-(3S,4R)-3,4-bis((2S)-N-(tert-butyloxycarbonyl)pyrrolidin-2-yl)-2-pyrrolidinone by an asymmetric Michael reaction. TETRAHEDRON-ASYMMETRY, 9 (13). pp. 2369-2376. ISSN 0957-4166

Merz, Andreas and Gromann, L. and Karl, A. and Parkanyi, L. and Schneider, O. (1998) Conformers and rotamers of (+/-)-trans-2,3-bis(2-naphthyl)-15-crown-5 and -18-crown-6 and their alkali metal complexes. EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, 1998 (2). pp. 403-408. ISSN 1434-193X, 1099-0690

Märkl, Gottfried and Ehrl, Robert and Kreitmeier, Peter and Burgemeister, Thomas (1998) 8,19-dimethyl-tetraepoxy[22]annulene(2.1.2.1): The first tetraepoxy-bridged aromatic [22]annulene. HELVETICA CHIMICA ACTA, 81 (1). pp. 93-108. ISSN 0018-019X, 1522-2675

Märkl, Gottfried and Knott, Th. and Kreitmeier, Peter and Burgemeister, Thomas and Kastner, F. (1998) Macrocyclic [4n+2]-Huckel aromatic systems up to n = 9 and [4n] antiaromatic systems up to n = 10: Homologous sequences from tetraepoxy[24]annulene(2.0.2.0) to tetraepoxy[40]annulene(12.0.12.0) and from the 'tetraoxa[22]porphyrin(2.0.2.0)'- to the 'tetraoxa[38]porphyrin(12.0.12.0)'-dication. HELVETICA CHIMICA ACTA, 81 (5-8). pp. 1480-1505. ISSN 0018-019X, 1522-2675

Märkl, Gottfried and Sauer, Heinrich and Stiegler, Jürgen and Kreitmeier, Peter and Burgemeister, Thomas (1998) Tetraepoxy[22]annulene(2.2.2.0): a tetraepoxy-bridged neutral aromatic [22]annulene of a new type. HELVETICA CHIMICA ACTA, 81 (5-8). pp. 1077-1087. ISSN 0018-019X, 1522-2675

P

Pabst, Gunther R. and Pfüller, Oliver C. and Sauer, Jürgen (1998) The new and simple 'LEGO' system: Its application for the synthesis of 6-oligopyridyl-1,5,12-triazatriphenylenes. TETRAHEDRON LETTERS, 39 (48). pp. 8825-8828. ISSN 0040-4039

Pabst, Gunther R. and Sauer, Jürgen (1998) A new and simple 'LEGO' system for the synthesis of 2,6-oligopyridines. TETRAHEDRON LETTERS, 39 (37). pp. 6687-6690. ISSN 0040-4039

Pabst, Gunther R. and Sauer, Jürgen (1998) The new and simple 'LEGO' system: Its application to the synthesis of superbranched oligopyridines. TETRAHEDRON LETTERS, 39 (48). pp. 8817-8820. ISSN 0040-4039

Pabst, Gunther R. and Schmid, Konrad and Sauer, Jürgen (1998) A new and simple 'LEGO' system for the synthesis of branched oligopyridines. TETRAHEDRON LETTERS, 39 (37). pp. 6691-6694. ISSN 0040-4039

Pfüller, Oliver C. and Sauer, Jürgen (1998) The new and simple 'LEGO' system for the synthesis of thienyl substituted 2,6-oligopyridines. TETRAHEDRON LETTERS, 39 (48). pp. 8821-8824. ISSN 0040-4039

R

Rohr, Uwe and Schatz, Jürgen and Sauer, Juergen (1998) Thio- and selenocarbonyl compounds as "Superdienophiles" in [4+2] cycloadditions. EUROPEAN JOURNAL OF ORGANIC CHEMISTRY (12). pp. 2875-2883. ISSN 1434-193X, 1099-0690

S

Sauer, Juergen and Heldmann, Dieter K. and Hetzenegger, Josef and Krauthan, Josef and Sichert, Heinz and Schuster, Johann (1998) 1,2,4,5-tetrazine: Synthesis and reactivity in [4+2]cycloadditions. EUROPEAN JOURNAL OF ORGANIC CHEMISTRY (12). pp. 2885-2896. ISSN 1434-193X, 1099-0690

Sauer, Jürgen and Heldmann, Dieter K. (1998) Ethynyltributyltin - a synthetic equivalent for acetylene, aryl, acyl and halogeno alkynes in [4+2] cycloadditions. TETRAHEDRON LETTERS, 39 (17). pp. 2549-2552. ISSN 0040-4039

Sauer, Jürgen and Heldmann, Dieter K. (1998) Synthesis of 3,5-disubstituted pyridazines by regioselective [4+2] cycloadditions with ethynyltributyltin and subsequent replacement of the organotin substituent. TETRAHEDRON, 54 (17). pp. 4297-4312. ISSN 0040-4020

Sauer, Jürgen and Heldmann, Dieter K. and Range, Klaus-Jürgen and Zabel, Manfred (1998) Stannylated alpha-pyrones: Synthesis, halogenation and destannylation reactions. TETRAHEDRON, 54 (42). pp. 12807-12822. ISSN 0040-4020

Schuster, Andreas and Bernhardt, Günther and Eibler, Ernst and Buschauer, Armin and Hesselink, Willy (1998) Chiral separation of 3-phenyl-3-(2-pyridyl)propylamines, and analogous guanidines and guanidine-N-carboxylic acid esters with high-performance liquid chromatography and capillary zone electrophoresis. JOURNAL OF CHROMATOGRAPHY A, 793 (1). pp. 77-90. ISSN 0021-9673, 1873-3778

W

Weber, Andreas and Sauer, Jürgen (1998) Nonstereospecific 1,3-dipolar cycloadditions - LUMOdipole-HOMOdipolarophile controlled reactions. TETRAHEDRON LETTERS, 39 (8). pp. 807-810. ISSN 0040-4039