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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Angew Chem Int Ed Engl. 2015 Sep 1;54(36):10555–10558. doi: 10.1002/anie.201504775

Scheme 2.

Scheme 2

Diversification pathways for methoxy amides 5b or 7b (a) dimethyl malonate, Et3N, TiCl4; (b) 2-trimethylsilyloxyfuran, TiCl4; (c) N-methylindole, TiCl4; (d) 1,3,5-trimethoxybenzene, SnCl4; (e) TiCl4; Et3N; (f) thiopheneboronic acid; BF3•OEt2 (g) TiCl4; trimethylsilyl allyl silane (h) TiCl4; PhCCMgCuBr.