Structure investigation of three hydrazones Schiff’s bases by spectroscopic, thermal and molecular orbital calculations and their biological activities
Three Schiff’s bases AI (2(1-hydrazonoethyl)phenol), AII (2, 4-dibromo 6-(hydrazonomethyl)phenol) and AIII (2(hydrazonomethyl)phenol) were prepared as new hydrazone compounds via condensation reactions with molar ratio (1:1) of reactants. Firstly by reaction of 2-hydroxy acetophenone solution and hydrazine hydrate; it gives AI. Secondly condensation between 3,5-dibromo-salicylaldehyde and hydrazine
通过摩尔比的缩合反应制备了三种席夫碱AI(2(1-肼基乙基)苯酚),AII(2,4-二溴6-(肼基甲基)苯酚)和AIII(2(肼基甲基)苯酚)作为new化合物。 1:1)的反应物。首先通过2-羟基苯乙酮溶液与水合肼反应;它给了AI。然后3,5-二溴-水杨醛与水合肼缩合得到AII。第三,水杨醛与水合肼之间的缩合得到AIII。AI-AIII的结构通过元素分析(EA),质量(MS),FT-IR和1 H NMR光谱以及热分析(TG,DTG和DTA)来表征。活化热力学参数,例如ΔE ∗,ΔH ∗,ΔS ∗△ G *和△ G *是用Coats–Redfern方法从TG曲线计算得出的。重要的是研究它们的分子结构,以了解负责其生物活性的活性基团和弱键。因此,在本工作中,通过使用PM3程序的半经验MO计算(MOCS)来确定获得的热(TA)和质量(MS)实际结果。它们的生物活性已经在体外试验对大肠杆菌,变形杆
OPTICAL FILM
申请人:SK Innovation Co., Ltd.
公开号:EP2722355A2
公开(公告)日:2014-04-23
The present invention relates to a cellulose acetate film used for optical compensation and a retardation enhancer used therein, and relates to a cellulose acetate film which has a high retardation value in the thickness direction (Rth).
Pardhy, S. A.; Deshpande, S. S.; Gopinathan, Sarada, Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1982, vol. 21, # 2, p. 173 - 175
作者:Pardhy, S. A.、Deshpande, S. S.、Gopinathan, Sarada、Gopinathan, C.
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日期:——
Sharma, A. K.; Khera, B.; Kaushik, N. K., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1986, vol. 25, # 9, p. 865 - 867
作者:Sharma, A. K.、Khera, B.、Kaushik, N. K.
DOI:——
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Khera, B.; Sharma, A. K.; Kaushik, N. K., Bulletin de la Societe Chimique de France, 1984, vol. I, p. 172 - 174