条件: Stage #1: With methanesulfonyl chloride; triethylamine In acetone at 0℃; for 0.50 h; Stage #2: With lithium bromide In acetone at 0 - 20℃; for 1.58 h;
收率: 100%
参考文献: [1] Patent: WO2017/136871, 2017, A1. Location in patent: Paragraph 0223 [2] Journal of the Chemical Society, 1962, p. 1420 - 1427 [3] Canadian Journal of Chemistry, 1984, vol. 62, p. 2330 - 2336 [4] Journal of Medicinal Chemistry, 1989, vol. 32, # 8, p. 1757 - 1763 [5] Journal of Organic Chemistry, 2011, vol. 76, # 20, p. 8203 - 8214