Benzylhydroxylamines and intermediates used to prepare them

US6057269A · kind A · utility

Assignee

• BASF SE

Inventors

• Ralf Klintz · Havelsee, DE
• Gerhard Hamprecht · Weinheim, DE
• Elisabeth Heistracher · Ludwigshafen, DE
• Peter Schafer · Ottersheim, DE
• Cyrill Zagar · Ludwigshafen, DE
• Karl-Otto Westphalen · Speyer, DE
• Helmut Walter · Obrigheim, DE
• Ulf Misslitz · Neustadt, DE
• Olaf Menke · Altleiningen, DE
• Markus Menges · Bensheim, DE

Key dates

• Filing date: Jan 5, 1998
• Grant date: May 2, 2000
• Expiry date: Jan 5, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C275/40
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Benzylhydroxylamines I ##STR1## (X=--N(R.sup.7)--O--; Y=O, S; R.sup.1 =halogen, CN, NO.sub.2, CF.sub.3 ; R.sup.2 =H, halogen; R.sup.3 =H, NH.sub.2, CH.sub.3 ; PA1 R.sup.4 =H, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -alkylsulfinyl or C.sub.1 -C.sub.6 -alkylsulfonyl; PA1 R.sup.5 =H, halogen, C.sub.1 -C.sub.6 -alkyl; PA1 R.sup.6 =H, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.2 -C.sub.6 -alkenyl; PA1 R.sup.7 =H, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.1 -C.sub.6 -alkylcarbonyl, C.sub.3 -C.sub.6 -alkenylcarbonyl, C.sub.3 -C.sub.6 -alkynylcarbonyl, C.sub.1 -C.sub.6 -alkoxycarbonyl, C.sub.2 -C.sub.8 -alkenyloxycarbonyl, C.sub.2 -C.sub.6 -alkynyloxycarbonyl, C.sub.1 -C.sub.6 -alkylthiocarbonyl, C.sub.1 -C.sub.6 -alkylsulfonyl, C.sub.1 -C.sub.6 -alkylcarbamoyl, it being possible for the 14 last-mentioned radicals to have attached to them 1-3 substituents: PA2 NO.sub.2, CN, halogen, C.sub.3 -C.sub.8 -cycloalkyl, OH, C.sub.1 -C.sub.6 -alkoxy, C.sub.3 -C.sub.8 -cycloalkoxy, C.s…