Downstream synthetic route of (R)-tert-Butyl 2-(hydroxymethyl)piperazine-1-carboxylate

The synthetic route of 169448-87-7 has been constantly updated, and we look forward to future research findings.

169448-87-7, (R)-tert-Butyl 2-(hydroxymethyl)piperazine-1-carboxylate is a piperazines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

a) A mixture of (R)-6-bromo- l-(l-(2,4-dichlorophenyl)ethyl)- lH-indazole (prepared from Example 17 step c, 0.37 g, 1.0 mmol), (i?)-i-butyl 2- (bydroxymeihy])piperidirie~1 -carboxylase (0.22 g, 1.0 mmol), BetaGammaNuAlphaRho (0.093 g, 0.15 mmol), and CS2CO3 (0.65 g, 2.0 mmol) in toluene (1 mL) was purged with nitrogen for 5 min. Addition of Pd2(dba)3 (0.092 g, 0.10 mmol) was followed, and the mixture was purged with nitrogen for 1 min. The reaction was then heated at 100 C for 18 h. After cooling to room temperature, the mixture was filtered and washed with EtOAc (50 mL). The filtrate was concentrated in vacuo. The resulting crude mixture was purified by flash chromatography (S1O2, 40% ethyl acetate in hexanes) to afford the coupled product as a viscous oil (0.20, 0.40 mmol, 40%)., 169448-87-7

The synthetic route of 169448-87-7 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; CHEMOCENTRYX, INC.; LELETI, Manmohan Reddy; LI, Yandong; MALI, Venkat Reddy; POWERS, Jay; YANG, Ju; WO2013/82429; (2013); A1;,
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