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Title:
トランス-縮合3,3a,8,12b-テトラヒドロ-2H-ジベンゾ[3,4:6,7]シクロヘプタ[1,2-b]フラン誘導体の製造法
Document Type and Number:
Japanese Patent JP4516752
Kind Code:
B2
Abstract:
The present invention concerns processes for the preparation of each of the 4 diastereomers of formula (I) in stereochemically pure form from either of two enantiomerically pure precursors. The tetracyclic ringsystem having trans-fused five and seven membered rings is formed in an acid-catalysed cyclization reaction. The invention further relates to the thus obtained cis-fused tetracyclic alcohol intermediates, the methanamine end-products, the methanamine end-products for use as a medicine, in particular as CNS active medicines.

Inventors:
Lang, Jorland Lydia
Medell, Baltic Petrus Anna Maria Joseph
Hoornert, Giorzyu, Joseph Cornelius
Broset, Teeri
Francon Joseph Cornelius, Compelnor
Guillaume, Michelle Joseph Maurice Andre
Mao, Hua
Kozureki, Thomas
Application Number:
JP2003549337A
Publication Date:
August 04, 2010
Filing Date:
December 02, 2002
Export Citation:
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Assignee:
JANSSEN PHARMACEUTICA NAAMLOZE VENNOOTSCHAP
International Classes:
C07D307/93; A61K31/34; A61K31/343; A61P25/06; A61P25/22; A61P25/24; A61P25/28; A61P25/30
Domestic Patent References:
JP2001519425A
JP2005508988A
Attorney, Agent or Firm:
Patent business corporation Odashima patent office



 
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