. 2013 May 3;135(19):7122–7125. doi: 10.1021/ja402761p

Table 2. Electronic and Steric Effects on 2H-Indazole Regioselectivity^a^,^b^,^c.

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Conditions: azobenzene (0.20 mmol), benzaldehyde (0.40 mmol) in 1.0 mL of dioxane for 24 h.

Isolated yield.

Ratio was determined by crude ¹H NMR.

Reaction was conducted in 0.4 mL of dioxane.

Reaction was conducted in 1.0 mL of THF with 100 mg of MgSO₄.

Table 2. Electronic and Steric Effects on 2H-Indazole Regioselectivitya,b,c.