Acetalization of carbonyl groups in cyclic ketones using BF3-ethylene glycol brought about ring cleavage reactions via an intermolecular aldol condensation.
Abstract:We made a diagnosis of hepatocellular carcinoma and performed partial resection of the liver in a 72 year-old woman. Granulomas were observed within hepatocellular carcinoma in the surgical specimen. Microscopic findings demonstrated the granulomas particularly within the tumor, and showed that they were composed of epithelioid cells with caseous necrosis. These tuberculomas compressed the tumor cells, and many lymphocytes had infiltrated the tumor around the tuberculomas. The cancer stage of the patient was early and her prognosis is good.
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