Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
  • C07D201/02—Preparation of lactams
  • C07D201/04—Preparation of lactams from or via oximes by Beckmann rearrangement
  • C07D201/06—Preparation of lactams from or via oximes by Beckmann rearrangement from ketones by simultaneous oxime formation and rearrangement
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D227/00—Heterocyclic compounds containing rings having one nitrogen atom as the only ring hetero atom, according to more than one of groups C07D203/00 - C07D225/00
  • C07D227/02—Heterocyclic compounds containing rings having one nitrogen atom as the only ring hetero atom, according to more than one of groups C07D203/00 - C07D225/00 with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
  • C07D227/06—Heterocyclic compounds containing rings having one nitrogen atom as the only ring hetero atom, according to more than one of groups C07D203/00 - C07D225/00 with only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
  • C07D227/08—Oxygen atoms
  • C07D227/087—One doubly-bound oxygen atom in position 2, e.g. lactams
• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B21/00—Nitrogen; Compounds thereof
  • C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
  • C01B21/14—Hydroxylamine; Salts thereof
  • C01B21/1409—Preparation
  • C01B21/1418—Preparation by catalytic reduction of nitrogen oxides or nitrates with hydrogen
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C249/00—Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton
  • C07C249/04—Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of oximes
  • C07C249/08—Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of oximes by reaction of hydroxylamines with carbonyl compounds
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
  • C07D201/02—Preparation of lactams
  • C07D201/10—Preparation of lactams from cycloaliphatic compounds by simultaneous nitrosylation and rearrangement
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C2601/00—Systems containing only non-condensed rings
  • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
  • C07C2601/14—The ring being saturated

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Inorganic Chemistry (AREA)
• Gas Separation By Absorption (AREA)
• Treating Waste Gases (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=22826849

Family Applications (1)

Country Status (9)

Families Citing this family (3)

Family Cites Families (10)

• 1998
  • 1998-12-24 US US09/221,211 patent/US6333411B1/en not_active Expired - Fee Related
• 1999
  • 1999-11-04 ID IDP991023D patent/ID25716A/id unknown
  • 1999-12-21 CN CNB991269624A patent/CN1155565C/zh not_active Expired - Fee Related
  • 1999-12-22 EP EP99125633A patent/EP1013644B1/en not_active Revoked
  • 1999-12-22 DE DE69907122T patent/DE69907122T2/de not_active Revoked
  • 1999-12-22 ES ES99125633T patent/ES2197566T3/es not_active Expired - Lifetime
  • 1999-12-22 CA CA002293010A patent/CA2293010A1/en not_active Abandoned
  • 1999-12-22 KR KR10-1999-0060169A patent/KR100480535B1/ko not_active Expired - Fee Related
  • 1999-12-22 BR BR9905965-7A patent/BR9905965A/pt not_active IP Right Cessation

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