DK13693A - PHENYL HYDRAZINE INTERMEDIATES AND PROCEDURES FOR THEIR PREPARATION - Google Patents

PHENYL HYDRAZINE INTERMEDIATES AND PROCEDURES FOR THEIR PREPARATION

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Publication number
DK13693A
DK13693A DK013693A DK13693A DK13693A DK 13693 A DK13693 A DK 13693A DK 013693 A DK013693 A DK 013693A DK 13693 A DK13693 A DK 13693A DK 13693 A DK13693 A DK 13693A
Authority
DK
Denmark
Prior art keywords
alkyl
haloalkyl
image
halogen
optionally substituted
Prior art date
Application number
DK013693A
Other languages
Danish (da)
Other versions
DK173906B1 (en
DK13693D0 (en
Inventor
Otto Schallner
Reinhold Gehring
Erich Klauke
Joerg Stetter
Heinz-Juergen Wroblowsky
Robert R Schmidt
Hans-Joachim Santel
Original Assignee
Bayer Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19843402308 external-priority patent/DE3402308A1/en
Application filed by Bayer Ag filed Critical Bayer Ag
Priority to DK199300136A priority Critical patent/DK173906B1/en
Publication of DK13693A publication Critical patent/DK13693A/en
Publication of DK13693D0 publication Critical patent/DK13693D0/en
Application granted granted Critical
Publication of DK173906B1 publication Critical patent/DK173906B1/en

Links

Abstract

Previously unknown phenylhydrazine derivatives having the formula (IV) <IMAGE> which are intermediates for preparing herbicidally active 5-amino-1-pyrazoles having the formula (I) <IMAGE> Process for preparing the derivatives (IV) by reacting a phenylhydrazine having the formula (II) <IMAGE> with a nitrile having the formula (III), (IIIa) or (IIIb) <IMAGE> <IMAGE> <IMAGE> where appropriate in the presence of a diluent and/or a reaction auxiliary. Substituent meanings: R1 = H, NO1-2, halogen, alkyl, haloalkyl, optionally substituted phenyl, =SO0-2R<9>, -COR<10>, -PO(OR<11>)2 or -CR<1Q>=NOR<11>; R<2> = H or -CXR<12>; R<3> = H, -CXR<12> or alkyl; R<4>, R<5>, R<6>, R<7> and R<8> = CN, NO2, halogen, alkyl, alkoxy, alkoxycarbonyl, haloalkyl, haloalkoxy or SO0-2R<13>; R<5>, R<7> and R<8> additionally = H; R<9> = H, OH, halogen, NH2, monoalkylamino, dialkylamino, alkyl, haloalkyl or optionally substituted phenyl; R<10> = H, alkyl or optionally substituted phenyl; R<11> = H, haloalkyl, alkyl, alkenyl, alkynyl or phenylalkyl; R<12> = H, alkyl, alkenyl, alkynyl, alkoxyalkyl, alkylthioalkyl, alkoxy, alkylthio, monoalkylamino, dialkylamino, haloalkyl or optionally substituted cycloalkyl, phenyl, phenoxy, phenylthio or phenylamino; R<13> = NH2, alkyl, monoalkylamino, dialkylamino or haloalkyl; X = O or S; A = halogen, OH or alkoxy; Z = -CH=CR<1>-CN or -CH2CH(Hal)CN; Hal and Hal' = halogen.
DK199300136A 1984-01-24 1993-02-05 Phenylhydrazine intermediates and process for preparing them DK173906B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK199300136A DK173906B1 (en) 1984-01-24 1993-02-05 Phenylhydrazine intermediates and process for preparing them

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE19843402308 DE3402308A1 (en) 1984-01-24 1984-01-24 HERBICIDES BASED ON PYRAZOLE DERIVATIVES
DE3402308 1984-01-24
DK30985 1985-01-23
DK030985A DK171863B1 (en) 1984-01-24 1985-01-23 Herbicidal agents, processes for their preparation and use, and 5-amino-1-phenylpyrazoles contained therein
DK199300136A DK173906B1 (en) 1984-01-24 1993-02-05 Phenylhydrazine intermediates and process for preparing them
DK13693 1993-02-05

Publications (3)

Publication Number Publication Date
DK13693A true DK13693A (en) 1993-02-05
DK13693D0 DK13693D0 (en) 1993-02-05
DK173906B1 DK173906B1 (en) 2002-02-11

Family

ID=25817827

Family Applications (1)

Application Number Title Priority Date Filing Date
DK199300136A DK173906B1 (en) 1984-01-24 1993-02-05 Phenylhydrazine intermediates and process for preparing them

Country Status (1)

Country Link
DK (1) DK173906B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5415473A (en) * 1992-11-16 1995-05-16 Kabushiki Kaisha Kobe Seiko Sho Cone type twin screw extruder having gear reduction system
US6234661B1 (en) * 1998-12-08 2001-05-22 A. Friedr. Flender Ag Transmission for a double screw extruder with two tapering helical shafts

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5415473A (en) * 1992-11-16 1995-05-16 Kabushiki Kaisha Kobe Seiko Sho Cone type twin screw extruder having gear reduction system
US6234661B1 (en) * 1998-12-08 2001-05-22 A. Friedr. Flender Ag Transmission for a double screw extruder with two tapering helical shafts

Also Published As

Publication number Publication date
DK173906B1 (en) 2002-02-11
DK13693D0 (en) 1993-02-05

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Legal Events

Date Code Title Description
A0 Application filed
B1 Patent granted (law 1993)
PUP Patent expired