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ChemicalBook CAS DataBase List 5-Fluoroindole

5-Fluoroindole synthesis

13synthesis methods
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Yield:399-52-0 92%

Reaction Conditions:

with bis(trimethylsilyl)amide yttrium(III);4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane in toluene at 120; for 36 h;Inert atmosphere;

Steps:

2 Example 3
Under nitrogen protection, 0.5 mmol of raw 5-fluoro-2-indolinone, 1.2 mmol of pinacol borane and catalyst Y [N(SiMe3) 2] 30.05 mmol, 3 mL of toluene, reacted at 120 C for 36 h, and the product isolation yield was 92%.

References:

Wenzhou Medical University;Zhang Junfang;Cai Wenxuan CN110818608, 2020, A Location in patent:Paragraph 0043-0047

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