Process for the preparation of 1,4,7,10-tetraaza-cyclododecane-1

Details Process for the preparation of 1,4,7,10-tetraaza-cyclododecane-1 Process for the preparation of 1,4,7,10-tetraaza-cyclododecane-1

2000-03-14

2000-12-26

Shah, Mukund J.

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

540470, C07D27300

Patent

active

061662011

ABSTRACT:
A process for the preparation of 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid and the salts thereof of formula (I) ##STR1## which comprises the following steps: a) carboxymethylation reaction of a suitable precursor in water, with a haloacetic acid,

REFERENCES:
patent: 5747000 (1998-05-01), Platzek
patent: 5925752 (1999-07-01), Ripa et al.
patent: 6054581 (2000-04-01), Ripa et al.
Dischino et al, Inorg. Chem., 1991, 20 p. 1267.

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