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. 2018 Oct 17;23(10):2673. doi: 10.3390/molecules23102673

Scheme 14.

Scheme 14

Synthesis of 2-methyl 5-, 6-, and 7-azaindoles 34 via palladium-catalyzed annulation of amino-ortho-iodopyridines 32 with allyl acetate 33 [20].