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European Journal of Organic Chemistry | 1973

Reaktion von Pyridazinen mit 1‐Diäthylamino‐propin

H. Neunhoeffer; Gebhard Werner


Mendeleev Communications | 1995

Transformations of 6-Phenyl-1,2,4-triazine 4-Oxides in Reactions with Nucleophiles

Yurii A. Azev; H. Neunhoeffer; Sabine Foro; Hans Jörg Lindner; Sergei V. Shorshnev


Journal of Heterocyclic Chemistry | 1997

Reactions of 1,2,4-triazin-5(2H)-ones with phenols and aromatic amines

O. N. Chupakhin; Vladimir L. Rusinov; Dmitri G. Beresnev; H. Neunhoeffer


Journal of Heterocyclic Chemistry | 1997

Direct introduction of heterocyclic residues into 1,2,4-triazin-5(2H)-ones

Vladimir L. Rusinov; Grigori V. Zyryanov; Tatjana L. Pilicheva; O. N. Chupakhin; H. Neunhoeffer


Tetrahedron | 1992

Synthesis of 1, 2, 4-triazines, XII: New synthesis of 1, 2, 4-triazines with a functional group in the 6-position

Tadashi Ohsumi; H. Neunhoeffer


Mendeleev Communications | 1997

Nucleophilic substitution of hydrogen in the reaction of 1,2,4-triazine-4-oxides with cyanides

O. N. Chupakhin; Vladimir L. Rusinov; Eugeny N. Ulomsky; Dmitry N. Kojevnikov; H. Neunhoeffer


Mendeleev Communications | 1997

Stable Σ-adducts of 6-phenyl-1,2,4-triazine 4-oxides with phenols

Dmitry N. Kojevnikov; Eugeny N. Ulomsky; Vladimir L. Rusinov; O. N. Chupakhin; H. Neunhoeffer


Zeitschrift Fur Kristallographie | 1996

Crystal structure of 3,3',6,6'-tetraphenyl-5,5'-bi-1,2,4-triazine, [NNC(C6H5)NCC(C6H5)]2

B. Glassl; Sabine Foro; H. Neunhoeffer; Hans Jörg Lindner


Mendeleev Communications | 1996

Nucleophilic substitution of hydrogen in 3,6-diphenyl-1,2,4-triazine 4-oxide

Yurii A. Azev; H. Neunhoeffer; Sergei V. Shorshnev


Zeitschrift Fur Kristallographie | 1996

Crystal structure of 2-amino-3-ethoxy-1-methyl-4-phenyl-6,7-dihydro-5H-[2]pyrindinium-tetrafluoroborate, NC5(CH2)3(C6H5)NH2CH3OCH2CH3BF4

K.-P. Drexel; Sabine Foro; H. Neunhoeffer; Hans Jörg Lindner

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