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http://dx.doi.org/10.5012/jkcs.2007.51.6.506

Synthesis, characterization and spectral studies of various newer long chain aliphatic acid (2-hydroxy benzylidene and 1H-indol-3-ylmethylene) hydrazides as mosquito para-pheromones  

Awasthi, Suman (Synthetic Chemistry Division, Defence Research & Development Establishment)
Rishishwar, Poonam (Synthetic Chemistry Division, Defence Research & Development Establishment)
Rao, Ambati N. (Synthetic Chemistry Division, Defence Research & Development Establishment)
Ganesan, Kumaran (Synthetic Chemistry Division, Defence Research & Development Establishment)
Malhotra, Ramesh Chandra (Synthetic Chemistry Division, Defence Research & Development Establishment)
Publication Information
Abstract
Various long chain aliphatic acid hydrazides react with aromatic and heterocyclic aldehydes in alcoholic medium in refluxing conditions to give corresponding 2-hydroxy benzylidene and 1H-indol-3-ylmethylene hydrazides, a newer class of mosquito para-pheromones. We describe here synthesis of various novel long chain aliphatic acid (2- hydroxy benzylidene and 1H-indol-3-ylmethylene) hydrazides by conventional as well as microwave irradiation techniques. The structures of these compounds have been confirmed by spectroscopic techniques (FTIR, NMR & MS). Some of the interesting features of the electron impact mass spectral fragmentation pattern of these compounds have also been discussed.
Keywords
Long Chain Aliphatic Acid Hydrazide; Long Chain Aliphatic Acid (2-hydroxy benzylidene & 1H-indol-3-ylmethylene) Hydrazide; Mosquito Para-pheromones; Microwave;
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