Title:
分子内プリンス反応および該反応に適する触媒
Document Type and Number:
Japanese Patent JP2009510005
Kind Code:
A
Abstract:
The present invention relates to a process for the preparation of a compound of the formula B having the following steps: provision of a compound of the formula A intramolecular reaction of the compound of the formula A in the presence of an aluminium siloxide of the formula (Ia) or (Ib).
Inventors:
Nobis marx
Application Number:
JP2008532695A
Publication Date:
March 12, 2009
Filing Date:
August 17, 2006
Export Citation:
Assignee:
Simrise, Gezershaft, Mitt, Besilenktel, Haftung, und, Companion, Command, Gezershaft
International Classes:
C07C29/56; B01J31/14; C07C29/80; C07C35/17; C07B61/00; C07F19/00
Attorney, Agent or Firm:
Sadao Kumakura
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama
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