Triethylamine → 1,4-Bis(6-chloropyridin-3-yl)butane-1,4-diyl dimethanesulfonate

Participants

Reaction Conditions

Reaction Steps

The product from Example 207B (2.23 g, 7.12 mmol) and triethylamine (2.98 mL, 21.36 mmol) were combined in dichloromethane (50 mL). The mixture was cooled to −20° C. and methanesulfonyl chloride (1.383 mL, 17.80 mmol) was added. The mixture was stirred at room temperature for 1 hour. The solvent was evaporated to give the title product (approx 3.34 g) which was directly used for the next reaction.

Provenance & Evidence