C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 405/04 (2006.01) C07D 257/04 (2006.01) C07D 409/12 (2006.01) C07D 409/14 (2006.01)
Patent
CA 2149886
A process for preparing substituted benzopyran derivatives, which comprises a final step cyclisation of the corresponding open-chain intermediates. (See formula I)
Geen Graham Richard
Johnson Graham
Mann Inderjit Singh
Novack Vance
Smith Neil
Gowling Lafleur Henderson Llp
Smithkline Beecham P.l.c.
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