P-Phenylenediamine → 2-Naphthylamine

HRID 1439596Notes

Reaction equation

HRID 1439596 reaction equation
[CH:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH:4]=[CH:3][C:2]=1O.C1C([NH2:18])=CC=C(N)C=1>>[CH:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH:4]=[CH:3][C:2]=1[NH2:18]

Participants

3

Reactant 2

HCID 7814P-PhenylenediamineHCID 86632-Naphthol2×

Product 1

HCID 70572-NaphthylamineYield 94%

Procedure

In another run using a molar ratio of 4:1 of β-naphthol to p-phenylenediamine with 3% B2O3, based on the weight of β-naphthol, at 200° C., and a reaction time of 4 hours, a 94% yield was obtained with only 6 ppm β-naphthylamine being formed.

Sources & evidence

ORD record
ord-8f4697cf9a0f47c2a290445a5f2f49ed
Source dataset
uspto-grants-1977_11
Patent number
US04060552

Reaction notes

Loading…