Phenolate Sodium → HCID 53993923, compound

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626 g (3 moles) of 1,1-dichloro-3-ethyl-3-methyl-1-heptene and 696 g (6 moles) of sodium phenolate are heated under reflux in 3 L of dimethylformamide for 16 hours. The mixture is diluted with methylene chloride and extracted by shaking several times with 2 N aqueous sodium hydroxide solution. After drying and evaporating on a rotary evaporator, 666 g of crude product remain. Distillation at boiling point0.1 100°-110° C. gives 523 g (65% of theory) of 1-chloro-3-ethyl-3-methyl-2-phenoxy-hept-1-ene. NMR (CDCl3): δ 0.7-1.6 (m, 17 H), 5.8 and 5.85 (2 s, 1 H) and 6.8-7.4 (m, 5 H). ##STR60##

Provenance & Evidence