Methyl Isocyanate → N-Methyl-N'-[2-(3-pyridazinylmethylamino)ethyl]urea

HRID 847875Notes

Reaction equation

[N:1]1[CH:6]=[CH:5][CH:4]=[C:3]([CH2:7][NH:8][CH2:9][CH2:10][NH2:11])[N:2]=1.[CH3:12][N:13]=[C:14]=[O:15]>>[CH3:12][NH:13][C:14]([NH:11][CH2:10][CH2:9][NH:8][CH2:7][C:3]1[N:2]=[N:1][CH:6]=[CH:5][CH:4]=1)=[O:15]

Participants

Reactant 2

HCID 12228Methyl Isocyanate

HCID 21698444N-(3-pyridazinylmethyl)ethylenediamine

Product 1

HCID 20557601N-Methyl-N'-[2-(3-pyridazinylmethylamino)ethyl]urea

Procedure

Reacting N-(3-pyridazinylmethyl)ethylenediamine with methyl isocyanate by the procedure of Example 24, then concentrating and separating the residue by column chromatography gives the title compound.

Workup

concentrationconcentrating
customseparating the residue by column chromatography

Sources & evidence

ORD record: ord-1984a109efcc4aa1ad3000b20c1660f1
Source dataset: uspto-grants-1981_10
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04293697

Reaction notes

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