Title:
【発明の名称】4-ヒドロキシ-2,2,6,6-テトラメチルピペリジンの製造方法
Document Type and Number:
Japanese Patent JP2683622
Kind Code:
B2
Abstract:
4-Hydroxy-2,2,6,6-tetramethylpiperidine (HTMP) is prepared by hydrogenation of triacetonamine (TAA) in the presence of an Ni, Co, Ru, Rh, Os or Ir hydrogenation catalyst. The process is carried out in the melt without a solvent.
Inventors:
Ulrich cress
Rudolf Maul
Siegfried Kintopov
Rudolf Maul
Siegfried Kintopov
Application Number:
JP10985288A
Publication Date:
December 03, 1997
Filing Date:
May 02, 1988
Export Citation:
Assignee:
Ciba Specialty Chemicals Holding Incorporated
International Classes:
B01J23/40; B01J23/46; B01J23/74; B01J25/02; C07B61/00; C07D211/46; (IPC1-7): C07D211/46; B01J23/46; C07B61/00
Domestic Patent References:
| JP5278878A | ||||
| JP56122352A |
Attorney, Agent or Firm:
Nobuo Kaida (1 person outside)