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39226-88-5

6-METHOXY-1,2,3,4-TETRAHYDRO-NAPHTHALEN-1-YLAMINE HYDROCHLORIDE synthesis

5synthesis methods
-

Yield:39226-88-5 2.13 g

Reaction Conditions:

with hydrogenchloride;palladium 10% on activated carbon;hydrogen in ethanol; under 760.051 Torr;

Steps:

96

Second step, 6-methoxy-1,2,3,4-tetrahydro-1-tetralone oxime (1.87 g) and concentrated HCl (4 ml) in EtOH (50 ml) was subjected to hydrogenation at atmospheric pressure in the presence of 10% Pd/C (150 mg). The reaction solution was filtered and the filtrate was concentrated. The residue was suspended in EtOAc, and the suspension was filtered to yield (+/-)-6-methoxy-1,2,3,4-tetrahydro-naphthalene-1-ylamine hydrochloride (2.13 g) as a white solid.

References:

US2013/45942,2013,A1 Location in patent:Paragraph 0383

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