The reaction of isatin with alkoxycarbonylmethylene (triphenyl) phosphoranes
FH Osman, FA El-Samahy
Index: Osman, Fayez H.; El-Samahy, Fatma A. Phosphorus, Sulfur and Silicon and Related Elements, 1998 , vol. 134-135, p. 437 - 446
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Citation Number: 17
Abstract
Isatin (1) reacted with alkoxycarbonylmethylene (triphenyl) phosphoranes (2) in boiling benzene for about 3 h to give orange yellow crystalline products of alkyl (1, 2-dihydro-2-oxo- 3H-indol-3-yl) acetates (3). The double bond of compounds 3 was reduced with zinc dust in boiling acetic acid to give 5, which upon methylation with methyl iodide in dry acetone and anhydrous potassium carbonate yielded the corresponding products 6. The structural ...
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