T. Okawara et al., 2 2 CONDENSATION PRODUCTS FROM THE REACTION OF N-SUBSTITUTED 1,2-DIAMINOETHANES AND 1,3-DIAMINOPROPANES WITH SUCCINALDEHYDE AND GLUTARALDEHYDE/, Heterocycles, 43(11), 1996, pp. 2487-2493
The reaction of N-substituted 1,2-diaminoethanes and 1,3-diaminopropan
es (1) with succinaldehyde (2) and glutaraldehyde (9) in water gave th
e 2:2 condensation products (4 and 10).