Klaus Langemann
43 Papers
82 Citations
Klaus Langemann is an academic researcher. The author has contributed to research in topics: Alkyl & Alkoxy group. The author has an hindex of 5, co-authored 43 publications.
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Papers
Patent
4-(3',4'-heterocyclyl benzoyl) pyrazoles as herbicidal agents
Guido Mayer,Baumann Ernst,Deyn Wolfgang Von,Kudis Steffen,Klaus Langemann,Misslitz Ulf,Neidlein Ulf,Matthias Witschel,Michael Rack,Thorsten Volk,Martina Otten,Karl-Otto Westphalen,Helmut Walter +12 more
- 05 May 2000
TL;DR: In this paper, the pyrazolyl derivatives of benzo-condensated, unsaturated 5-membered nitrogen heterocycles of the general formula (I), where X represents N or a group C-R3, Y is O, S, SO, SO?2? or NR?4? or X-Y is S=N, and wherein X means sulfur.
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Patent
3-(heterocyclyl)-substituted benzoylpyrazols
Ulf Neidlein,Norbert Götz,Ernst Baumann,Wolfgang Von Deyn,Steffen Kudis,Klaus Langemann,Guido Mayer,Ulf Misslitz,Matthias Witschel,Martina Otten,Karl-Otto Westphalen,Helmut Walter +11 more
- 02 Dec 1999
TL;DR: In this paper, the 3-(heterocyclyl)-substituted benzoylpyrazols of formula (I) have been used for combating undesirable plants.
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Patent
Benzohetero cyclylcyclo hexenones and their use as herbicides
Guido Mayer,Ernst Baumann,Wolfgang Von Deyn,Steffen Kudis,Klaus Langemann,Ulf Misslitz,Ulf Neidlein,Matthias Witschel,Michael Rack,Thorsten Volk,Martina Otten,Karl-Otto Westphalen,Helmut Walter +12 more
- 05 May 2000
TL;DR: In this paper, the invention relates to cyclohexenone derivatives of benzo-condensed, unsaturated 5-ring nitrogen heterocycles of general formula (I) wherein X represents N or a group C-R3, Y represents O, S, SO, SO?2? or NR?4? or X-Y represent S=N and X represents sulfur, and the variables R1, R2 and Hex have the meanings given in claim 1.
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Patent
3-(4,5-dihydroisoxazole-5-yl)benzoylpyrazole
Ernst Baumann,Wolfgang Von Deyn,Steffen Kudis,Klaus Langemann,Guido Mayer,Ulf Misslitz,Ulf Neidlein,Helmut Walter,Karl-Otto Westphalen,Matthias Witschel +9 more
- 19 Dec 2000
TL;DR: In this paper, the 3.5-dihydroisoxazole-5-yl)benzoylpyrazole of the formula (I) was described.
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Patent
Phosphoric benzoyl derivatives and their use as herbicides
Klaus Langemann,Thorsten Volk,Ernst Baumann,Wolfgang Von Deyn,Steffen Kudis,Guido Mayer,Ulf Misslitz,Ulf Neidlein,Matthias Witschel,Martina Otten,Karl-Otto Westphalen,Helmut Walter +11 more
- 19 Apr 2000
TL;DR: In this article, the meaning of the variables P(=X)R1R2X represents an organic phosphorous group; R3 represents hydrogen, nitro, cyano, halogen, alkyl, alkoxy, alkoxy, Alkylthio, alklion, alksulfinyl or alkylsulfonyl; l is 0, 1 or 2; Q represents 1-hydroxy-3-oxo-cylcohex-1-ene-2-yl, optionally substituted 5-hydrox-pyrazole
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