Abstract
The invention describes a one pot process for synthesizing a compound of structure (I), or a tautomer thereof. A compound of structure (II), or a tautomer thereof, and an aldehyde of structure RdCHO are condensed to form a condensation product. The resulting condensation product is then oxidized in the same reaction mixture to produce the compound of structure (I) or a tautomer thereof.
Original language | English |
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Patent number | US2011152313 |
IPC | C07D 471/ 02 A I |
Priority date | 19/06/09 |
Publication status | Published - 23 Jun 2011 |