4-amino-3,4-dihydro-2H-naphthalen-1-one → Urea, (1,2,3,4-tetrahydro-4-oxo-1-naphthalenyl)-

HRID 372278Notes

Reaction equation

HRID 372278 reaction equation
[O:1]=[C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=2)[CH:5]([NH2:12])[CH2:4][CH2:3]1.C([NH:15][C:16](=O)[O-:17])C>C(O)C>[O:1]=[C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=2)[CH:5]([NH:12][C:16]([NH2:15])=[O:17])[CH2:4][CH2:3]1

Participants

4

Reactant 2

HCID 137386604-amino-3,4-dihydro-2H-naphthalen-1-oneHCID 22042200N-ethylcarbamate

Product 1

HCID 3628438Urea, (1,2,3,4-tetrahydro-4-oxo-1-naphthalenyl)-

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

Equimolar quantities of 1,2,3,4-tetrahydro-4-oxo-1-naphthylamine and ethylcarbamate are mixed and heated until ethanol is no longer released. The crude product, 1,2,3,4-tetrahydro-4-oxo-1-naphthylurea is washed with water then with cold ethanol and dried.

Workup

  1. washThe crude product, 1,2,3,4-tetrahydro-4-oxo-1-naphthylurea is washed with water
  2. dry with materialwith cold ethanol and dried

Sources & evidence

ORD record
ord-36ba6e2674064fc0b1a3e0ce6fb0ba8c
Source dataset
uspto-grants-1978_05
Patent number
US04089976

Reaction notes

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