Synthesis of polycyclic procyanidins

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C549S384000

Reexamination Certificate

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07615649

ABSTRACT:
A method for preparing A-type procyanidins is provided by reacting flavylium salts with catechins and analogs thereof, under anhydrous conditions in alcohol.

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