id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
iajs-3046	Athraa J. Ali; , Nisreen H. Karam	Design of New V Shaped Thermotropic Liquid Crystals containing Heterocyclic	2023	8	.pdf	application/pdf	2984	212	58	The following distinctive chemical changes were noticed: multiplet indications of two CH=C group protons and twelve aromatic protons at (6.16-7.94) ppm, a triplet signal at δ(4.26-4.14) ppm for four protons of OCH2 groups, and also multiplat signal at (2.72-3.72) ppm for four protons of CH2N and eight protons of two (CH2)2 groups and a triplet signal at 1.23 ppm. Figure1: The 1HNMR spectrum for compound [V]4 Liquid Crystalline Properties The properties of liquid crystalline compounds were assessed using polarized optical microscopy 1. Introduction Heterocyclic compounds are an important class of organic compounds with many applications in various fields of science	cache/iajs-3046.pdf	txt/iajs-3046.txt