简介:摘要目的分析并探讨急诊5min剖宫产对产妇的临床应用效果。方法将我院自2017年至2019年收治的86例患者作为研究对象,并将其平均分成两组。对照组采用常规治疗的方式,实验组在此基础上采用急诊5min剖宫产对患者进行治疗。对比分析这两组患者治疗前后新生儿脐动脉血ph值以及新生儿的apger评分。结果研究表明,实验组患者治疗后新生儿的脐动脉血ph值比对照组更接近正常值,且实验组中新生儿的apger评分<7分数量显著低于观察组,差异具有统计学意义(P<0.05)。结论对产妇采用急诊5min剖宫产的方式可以更有效的帮助新生儿正常出生,同时可以适当地减轻胎儿的发病率,具有推广意义。
简介:Reactionsofthe6-hydroxy-thiopyrano[3,4-c]pyridine-5-carbonitrilederivative1withα-halo-carbonylcompoundsgavetheortho-substitutedintermediates2a-cwhichwereconvertedintofuro[2,3-b]thiopyrano[4,3-d]pyridines3a-cbyfusionofafuranmoietyunderbasicconditions.Furthercyclizationof3a-cledtoafusionofapyrimidinering,yieldingthetetracyclicproducts6,7and8.Inaddition,condensationof6withvariousaromaticaldehydesaffordedthecorrespondingimines9a,b.Mannichreactionof7gaveproducts10a,b.
简介:Tris)(η5-cyclopentadienyl-μ-carbonyl-iron)-μ3-nitrosylclusterwasobtainedfromthereactionofcyclopentadienyldicarbonylirondimerwithnitrogenmonoxideinxylene.Theclusterwascharacterizedbyelementalanalyses,IR,MSand1HNMR.Thecrystalstructureof[(η5-C5H5)(μ-CO)Fe]3(μ3-NO).C4H8OwasdeterminedbyX-raydiffractionanalysis.ItcrystallizesintheorthorhombicspacegroupPnma,a=9.053(2),6=10.545(2),c=22.525(4)A,V=2150.3(7)A3,Z=4,Dc=1.68g.cm-3;structuresolutionandrefinementbasedon1141reflectionswithI>3.0(I)(MoKa,A=0.71073A)convergedatR=0.0540.Theinfraredabsorptionbandat1325cm-1oftheμ3-NOinthecluster,whichisredshifted,showsthatμ3-NOisactivated.