Process for the preparation of N,N'-disubstituted guanidines

Details Process for the preparation of N,N'-disubstituted guanidines Process for the preparation of N,N'-disubstituted guanidines

1986-01-17

1990-02-06

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C07C12800

Patent

active

048989789

ABSTRACT:
A process for the preparation of aromatic N,N'-disubstituted guanidines is described in which the corresponding aromatic N,N'-disubstituted thioureas are reacted with ammonia and oxygen or with an oxygen-containing gas, in the presence of a solvent and elements acting as catalysts having atomic numbers 21 through 30 in the Periodic Table or the lanthanides or the salts, oxides or complexes thereof.

REFERENCES:
patent: 1630769 (1927-05-01), Scott
Chemical Abstract 92:94093g, Hungarian Teljes 17.165.
Chemical Abstract 99:212248f.
Noncondensed Aromatic Compounds, vol. 63, p. 35, Col. 1734, "Diphenyguanidine".
W. Theieheimer, "Synthetic Methods", vol. 25 (1971), No. 323.
Ullmanns Encyclopedia, Fourth Edition, vol. 12, pp. 416, 417 and 420.

Affiliated with

Also associated with

Rating

Process for the preparation of N,N'-disubstituted guanidines does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the preparation of N,N'-disubstituted guanidines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of N,N'-disubstituted guanidines will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-442761