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5792781 
Journal Article 
Reactions of 2-hydroxy-5-(1-adamantyl)benzene-1,3-dicarbaldehyde with ethane-1,2-diamine, trans-cyclohexane-1,2-diamine, and N-(2-aminoethyl)ethane-1,2-diamine 
Shokova, EA; Kovalev, VV 
2008 
Russian Journal of General Chemistry
ISSN: 1070-3632
EISSN: 1608-3350 
78 
11 
2082-2093 
English 
Reactions of 2-hydroxy-5-(1-admantyl)benzene-1,3-dicarbaldehyde with ethane-1,2-diamine, transcyclohexane-1,2-diamine, and N-(2-aminoethyl)ethane-1, 2-diamine were studied in strongly dilute solution and under conditions of template synthesis in the presence of H3BO3. The effects of reaction conditions and initial diamine structure on the cyclocondensation process were determined. Selective [3 + 3]-cyclocondensation of 2-hydroxy-5-(1-admantyl)benzene-1,3-dicarbaldehyde with trans-cyclohexane-1,2- diamine and [2 + 2]-cyclization with N-(2-aminoethyl)ethane-1,2-diamine were performed in chloroform in the presence of H3BO3. The first representative of adamantylcalixsalens was synthesized. © 2008 MAIK Nauka.