. 2016 Sep 28;6(11):7448–7451. doi: 10.1021/acscatal.6b02114

Table 2. Allenols from Propargyl Substrates with Acetate and Protected Hydroxyl on the Same Side of the Alkyne^a.

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Isolated yields. Conditions: 0.1 M solution of substrate 3 (1 equiv), R⁴ MgX (1.25 equiv), and 1 mol % of Fe(acac)₃ in Et₂O, addition of R⁴ MgX for 5 and 10 min reaction time.

R⁴ MgX (1.75 equiv), 7.5 mol % of Fe(acac)₃.

5 mol % of Fe(acac)₃.

R⁴ MgX (2.0 equiv), 5 mol % of Fe(acac)₃.

Table 2. Allenols from Propargyl Substrates with Acetate and Protected Hydroxyl on the Same Side of the Alkynea.

Table 2. Allenols from Propargyl Substrates with Acetate and Protected Hydroxyl on the Same Side of the Alkyne^a.