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ChemicalBook CAS DataBase List 5-HYDROXYMETHYLISOQUINOLINE

5-HYDROXYMETHYLISOQUINOLINE synthesis

3synthesis methods
-

Yield:76518-57-5 94%

Reaction Conditions:

with methanol;sodium tetrahydridoborate at 0 - 5; for 2 h;Inert atmosphere;

Steps:

44.1 Step 1: Isoquinolm-5-ylmethanol (44.2)

[00516] To a solution of intermediate 44.1 (300 mg, 1.91 mmol) in MeOH (8 mL) cooled to 0-5 °C, sodium borohydride (87 mg, 2.29 mmol) was added, and the mixture was stirred for 2 h. The reaction was then poured into EtOAc (30 mL), washed with brine (20 mL), dried over Na2SC>4, and concentrated under reduced pressure, to afford 285 mg of the intermediate 44.2. [00517] Yield: 94% [00518] MS-ESI(+) m/z: 160.3 (M+H).

References:

WO2021/170658,2021,A1 Location in patent:Paragraph 00516-00518

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