Of organic compounds,nitronic esters are a group of unusual compounds.Accordingto their chemical formula（R<sub>1</sub>R<sub>2</sub>C=NO<sub>2</sub>R<sub>3</sub>）,they ...Of organic compounds,nitronic esters are a group of unusual compounds.Accordingto their chemical formula（R<sub>1</sub>R<sub>2</sub>C=NO<sub>2</sub>R<sub>3</sub>）,they might be formally obtained fromcondensation of aci-nitro compounds（intronic acids）and alcohols with an equivalentamount of water eliminated.In fact,neither could nitronic esters be produced by thismethod,nor could they be hydrolyzed into nitronic acids and alcohols.Since they展开更多
On the basis of investigation on structural characteristics and stability of more than one hundred nitronic acids and nitronic esters, an equilibrium theory of electronic effects in conjugated systems is put forward a...On the basis of investigation on structural characteristics and stability of more than one hundred nitronic acids and nitronic esters, an equilibrium theory of electronic effects in conjugated systems is put forward and the type of structures is classified. On that basis, an empirical rule for the correlation between structure and stability of nitronic acids and nitronic esters is proposed, which predicts that stable nitronic acids and nitronic esters should have the C type of structure that meets the matching principle of electronic effects.展开更多
基金Project supported by the National Natural Science Foundation of China.
文摘Of organic compounds,nitronic esters are a group of unusual compounds.Accordingto their chemical formula（R<sub>1</sub>R<sub>2</sub>C=NO<sub>2</sub>R<sub>3</sub>）,they might be formally obtained fromcondensation of aci-nitro compounds（intronic acids）and alcohols with an equivalentamount of water eliminated.In fact,neither could nitronic esters be produced by thismethod,nor could they be hydrolyzed into nitronic acids and alcohols.Since they
文摘On the basis of investigation on structural characteristics and stability of more than one hundred nitronic acids and nitronic esters, an equilibrium theory of electronic effects in conjugated systems is put forward and the type of structures is classified. On that basis, an empirical rule for the correlation between structure and stability of nitronic acids and nitronic esters is proposed, which predicts that stable nitronic acids and nitronic esters should have the C type of structure that meets the matching principle of electronic effects.
