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Treatment of 1,3-dihydroxyacetone and acrolein with aqueous KOH gave a tetrahydrofuran derivative, 1,4-dihydroxy-3,7-dioxabicyclo[3.3.0]octane, in 80% yield. Similarly, 6-alkyl substituted 1,4-dihydroxy-3,7-dioxabicyclo[3.3.0]octanes were obtained by reaction of 1,3-dihydroxyacetone with various α,β-unsaturated aldehydes. In the cases of long chain alkenals, the reaction was effectively accelerated...
Mutations in the adenomatous polyposis coli (APC) gene contribute to the progression of colorectal tumorigenesis. Despite the importance, few studies regarding the localization of this protein on surgically resected human colorectal cancer specimens using immunohistochemistry have been reported so far because of the unavailability of the antibodies for this use. The goal of this study has been to...
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