1
24?mmol)Forty seven as well as Four (R1�C3?=?H, R4?=?CF3, X?=?F; 55?mg, 3.29?mmol). Yellow solid (62.3?mg, 62%). Mp 320�C322?��C; Infrared (KBr): Several.486 (New hampshire), One.705 (Chemical A), One particular.655 (C O), One particular.609 (D Chemical) cm?1; 1H NMR: �� Several.Forty six (1H, dd, 4J?=?1.1?Hz, 3J?=?8.6?Hz, Ph 6-H), 6.69 (1H, to, J?=?7.8?Hz, C7-H), 6.Seventy three (1H, d, 4J?=?1.1?

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