Pyridinium chloride → HCID 10125332, compound

HRID 2086130Notes

Reaction equation

HRID 2086130 reaction equation
C[O:2][C:3]1[C:8]2=[CH:9][CH:10]=[C:11]3[C:16]([O:15][CH2:14][C:13]4[CH:17]=[C:18]([O:21]C)[CH:19]=[CH:20][C:12]3=4)=[C:7]2[CH:6]=[CH:5][CH:4]=1.Cl.N1C=CC=CC=1>>[C:3]1([OH:2])[CH:4]=[CH:5][CH:6]=[C:7]2[C:16]3[O:15][CH2:14][C:13]4[CH:17]=[C:18]([OH:21])[CH:19]=[CH:20][C:12]=4[C:11]=3[CH:10]=[CH:9][C:8]=12

Participants

3

Reactant 2

HCID 10176127Pyridinium chlorideHCID 22728212HCID 22728212, compound

Product 1

HCID 10125332HCID 10125332, compound

Procedure

The title compound was prepared by reacting 1,8-dimethoxy-6H dibenzo[c,h]chromene (1.0 g, 3.42 mmol) with pyridine hydrochloride (5.0 g, 43.3 mmol) according to method D to yield 0.93 g (99%) white foam. mp 213-214° C.; 1H NMR (300 MHz, DMSO-d6) δ 5.21 (2H, s), 6.72 (1H, d, J=1.9 Hz), 6.82 (2H, m), 7.27 (1H, t, J=7.9 Hz), 7.54 (1H, d, J=8.3 Hz), 7.68 (1H, d, J=8.4 Hz), 7.78 (2H, brs), 9.72 (1H, s), 10.09 (1H, s); MS m/z263 (M−H+);

Sources & evidence

ORD record
ord-bfae529463bf4aa2b3d6ada440328c3a
Source dataset
uspto-grants-2004_04
Patent number
US06723747B2

Reaction notes

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