E/Z equilibrium in tertiary amides - Part 3: N-acyl-N′-arylhexahydro- 1,3-diazepines
The 1H and 13C NMR spectroscopic study of a series of N-acyl-N′-arylhexahydro-1,3-diazepines 1 is presented. Due to hindered rotation around the (O)C-N bond, tertiary amides 1 exist as a mixture of non separable E/Z diastereoisomers,
Bisceglia, Juan A.,Cruz Mollo, Ma.,Orelli, Liliana R.
p. 65 - 70,6
(2012/12/12)
1,n-Diamines. Part 3: Microwave-assisted synthesis of N-acyl-N′- arylhexahydropyrimidines and hexahydro-1,3-diazepines
In this Letter we present a method for the synthesis of N-acyl-N′-arylhexahydropyrimidines 1, by ring closure of N-acyl-N′-aryl-1,3-propanediamines 3 with formaldehyde. Cyclodehydrations were performed in aqueous medium under microwave irradiation, and le
Bisceglia, Juan á.,Díaz, Jimena E.,Torres, Romina A.,Orelli, Liliana R.
experimental part
p. 5238 - 5240
(2011/10/19)
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