Pyridinium chloride → HCID 86583689, compound

HRID 429438Notes

Reaction equation

C[O:2][C:3]1[CH:12]=[C:11]2[C:6]([C@H:7]([C:21]3[CH:26]=[CH:25][C:24]([O:27][CH2:28][CH2:29][N:30]4[CH2:35][CH2:34][CH2:33][CH2:32][CH2:31]4)=[CH:23][CH:22]=3)[C@H:8]([C:13]3[CH:18]=[CH:17][CH:16]=[C:15]([O:19]C)[CH:14]=3)[CH2:9][O:10]2)=[CH:5][CH:4]=1.Cl.N1C=CC=CC=1>>[OH:2][C:3]1[CH:12]=[C:11]2[C:6]([C@H:7]([C:21]3[CH:26]=[CH:25][C:24]([O:27][CH2:28][CH2:29][N:30]4[CH2:31][CH2:32][CH2:33][CH2:34][CH2:35]4)=[CH:23][CH:22]=3)[C@H:8]([C:13]3[CH:18]=[CH:17][CH:16]=[C:15]([OH:19])[CH:14]=3)[CH2:9][O:10]2)=[CH:5][CH:4]=1

Participants

Reactant 2

HCID 10176127Pyridinium chloride

HCID 70294133HCID 70294133, compound

Product 1

HCID 86583689HCID 86583689, compound

Procedure

In an manner analogous to that described in step 5 for Example 10, (±)-cis-7-methoxy-3-(3-methoxyphenyl)-4-(4-(2-piperidinoethoxy)phenyl)chromane (0.355 g, 0.75 mmol) was de-methylated by heating with pyridine hydrochloride to give the title compound as an off-white foam.

Sources & evidence

ORD record: ord-753f7aebc36f4663b5fccc55ff633f0f
Source dataset: uspto-grants-2001_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US06316494B1

Reaction notes

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