Darzens Reaction of Acyl Phosphonates with α-Bromo Ketones: Selective Synthesis of cis-and trans-Epoxyphosphonates

AS Demir, M Emrullahoglu, E Pirkin…

Index: Sturtz,G. Bulletin de la Societe Chimique de France, 1964 , p. 2333 - 2340

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Citation Number: 15

Abstract

... trans-3a) Yield: 100 mg (30%), white solid (mp = 125 °C). IR (KBr): 3007, 2352, 1650, 1220, 1059 cm −1 . 1 H NMR (400 MHz, CDCl 3 ): δ 3.51 (3H, s), 3.53 (3H, s), 3.91 (1H, d, J = 4.16 Hz), 7.28−8.05 (10H, m). 13 C NMR (100 MHz, CDCl 3 ): δ 53.6 (d, J C−P = 7.4 Hz), 54.3 (d ...