thieno(3,4-b)pyrazine
National Institutes of Health
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d)pyrrole). Compound 17 (0.29 g, 1.0 mmol) in dry THF (60 ml) was cooled to -78 oC for 20 min. t-BuLi (1.5 mL, 2.5 mmol) was…
(2.0 mmol) in dry THF (80 mL) was cooled to -78 oC. BuLi (2.2 mmol) was added and the mixture stirred for 30 min. TMSCl (2.2 mmol…