malonic ester मीनिंग इन हिंदी

उदाहरण वाक्य

1. Intramolecular malonic ester synthesis occurs when reacted with a dihalide.
2. Sodium ethoxide is commonly used in the Claisen condensation and malonic ester synthesis.
3. It is also used in the malonic ester synthesis.
4. Malonic ester synthesis using ethyl bromide leads to the formation of ?-phenyl-?-ethylmalonic ester.
5. Most characteristically, nitrosobenzene condenses with active methylene groups, such as those of malonic esters and benzyl cyanide.
6. NaH most notably is employed to deprotonate carbon acids such as 1, 3-dicarbonyls and analogues such as malonic esters.
7. Heating the acyl product in the presence of an alcohol leads to ester exchange and decarboxylation in a process similar to the malonic ester synthesis.
8. A C-C acylation reaction can occur with a malonic ester-type compound, in the following scheme useful for syntheses of macrolide antibiotics.
9. Common examples include a CH 2 group flanked by two carbonyls or nitriles ( see for example the Knoevenagel condensation and the first steps of the Malonic ester synthesis ).