Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1978-06-29
1980-09-30
Coughlan, Jr., Paul M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
C07D40314
Patent
active
042257123
ABSTRACT:
A new class of compositions, tetrahydropyrimidyl-substituted compounds, useful as ashless bases and rust inhibitors, is prepared by reacting a C.sub.3 -to C.sub.50 amine containing a 1,3-diaminopropane group with ethylenediamine tetraacetic acid or nitrilotriacetic acid at a temperature of 150.degree. to 250.degree. C. for 10 to 100 hours.
REFERENCES:
patent: 2830019 (1958-04-01), Fields et al.
patent: 2844446 (1958-07-01), Cyba et al.
patent: 3235548 (1966-02-01), Pollack et al.
Chevron Research Company
Coughlan, Jr. Paul M.
DeYoung J. J.
Newell D. A.
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