The synthesis of two 14C-labelled hypogl
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L. F. Elsom; D. R. Hawkins; H. Christensen; F. C. Grønvald
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Article
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1977
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John Wiley and Sons
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French
⚖ 519 KB
## Abstract The synthesis of two carbon‐14 labelled oral hypoglycemic benzo(b)furansulphonylureas is deseribed. The starting materials 2,3 ‐dihydrobenzo (b)furan ‐7 ‐carboxylic acid and 5 methyl–2, 3‐dihydrobenzo (b)furan‐7‐^14^C‐carboxylic acid were prepared in high yield by carbonation of appropr