Process for the preparation of 10,11-dihydro-5H-dibenzo[A,D]cycl

Details Process for the preparation of 10,11-dihydro-5H-dibenzo[A,D]cycl Process for the preparation of 10,11-dihydro-5H-dibenzo[A,D]cycl

1999-08-26

2000-07-25

Powers, Fiona T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546203, C07D21170, C07D21174

Patent

active

060938277

ABSTRACT:
5,6-Dihydro-11H-dibenzo[a,d]cyclohept-11-enes are prepared by reacting a dibenzosuberone or an aza derivative thereof with an aliphatic ketone in the presence of low valent titanium.

REFERENCES:
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M.M. Cid et al.: Tetrahedron, vol. 44, No. 19, 1988, Oxford GB, pp. 6197-6200, XP002068290, cited in the application, see whole document.
Chemical Abstracts, vol. 84, No. 15, Apr. 12, 1976, Columbus Ohio, US; abstract No. 105080, XP002068294; see abstract & J.E. McMurry et al.: J. Org. Chem., vol. 41, No. 5, 1976, pp. 896-897.
Chemical Abstracts, vol. 81, No. 13, Sep. 30, 1974, Columbus Ohio, US; abstract No. 78113, XP002068295; see abstract & J.E. McMurry et al.: Journal of the American Chemical Society, vol. 96, No. 14, 1974, DC US, pp. 4708-4709.
Chemical Abstracts, vol. 97, No. 5, Aug. 2, 1982, Columbus Ohio, US; abstract No. 38616, XP002068296; see abstract & A. Clerici et al.: J. Org. Chem., vol. 47, No. 15, 1982, pp. 2852-2856.
Chemical Abstracts, vol. 96, No. 5, Feb. 1, 1982, Columbus Ohio, US; abstract No. 34276, XP00206897; see abstract & R. Dams et al.: J. Org. Chem., vol. 47, No. 2, 1982, pp. 248-259.

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