Trichloroacetyl chloride → 2,2-Dichloro-3-(2-methylprop-1-en-1-yl)cyclobutan-1-one

참여 물질

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The first step of Example 1 was repeated employing as the reactants, 5.6 ml trichloroacetyl chloride (50 mmol), 5 g (60 mmol) 4-methyl-1,3-pentadiene, 4.6 ml (50 mmol) phosphoryl chloride, 5 g (78 mmol) zinc and 500 ml ether. The yield was 6.8 g. or 71% theoretical, boiling at 65°-67° C. at 0.2 torr.

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