1: triisopropylsilyl chloride; Trimethylene glycol With sodium hydride in tetrahydrofuran T=0 - 20°C; Inert atmosphere; 2: triisopropylsilyl chloride in tetrahydrofuran Inert atmosphere;
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1: 4-methoxy pyridine With lithium diisopropyl amide in tetrahydrofuran; n-heptane; ethylbenzene T=-25°C; 0.5 h; 2: triisopropylsilyl chloride in tetrahydrofuran; n-heptane; ethylbenzene T=-25 - 20°C; 16.25 h;
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Brotherton-Pleiss, Christine E.; Caroon, Joan Marie; Lopez-Tapia, Francisco Javier
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Location in patent: Page/Page column 50-51 ;
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1: With N,N,N',N,-tetramethylethylenediamine in tetrahydrofuran T=20°C; 12 h; Inert atmosphere; 2: With water; ammonium chloride in tetrahydrofuran Inert atmosphere;
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Murakami, Kei; Yorimitsu, Hideki; Oshima, Koichiro
Journal of Organic Chemistry, 2009 , vol. 74, # 3 p. 1415 - 1417