Process for the selective synthesis of tertiary alkanolamines

Details Process for the selective synthesis of tertiary alkanolamines Process for the selective synthesis of tertiary alkanolamines

1986-05-08

1987-07-14

Ramsuer, Robert W.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

548574, 564480, 564503, C07C 8506, C07C 9106, C07D29508

Patent

active

046803939

ABSTRACT:
The present invention is a process for the synthesis of tertiary alkanolamines by reacting a secondary amine with an alkanediol. High selectivity for the production of alkanolamines is achieved by carrying out the reaction in the presence of a compound or complex of ruthenium in chemical combination or in admixture with an organic phosphine ligand. The organic phosphine ligand is present in an amount such that the ratio of gram mole ligand/gram atom ruthenium is greater than 5.

REFERENCES:
patent: 3270059 (1966-08-01), Winderl et al.
patent: 3708539 (1973-01-01), Fenton
patent: 4487967 (1984-12-01), Stogryn et al.
Grigg, et al, J.C.S. Chem. Comm., pp. 611-612, (1981).
Murahashi, et al., in Tetrahedron Letters, (vol. 23, No. 2, pp. 229-232, (1982).
Arcelli, et al., in the Journal of Organometallic Chemistry, vol. 235, pp. 93-96, (1982).

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