producedsolved
solved 时间:2021-01-17 阅读:(
)
1ElectronicSupplementaryInformationIonizedFormofAcetaminophenwithImprovedCompactionPropertiesSathyanarayanaReddyPerumalla,LiminShi,andDepartmentofPharmaceutics,CollegeofPharmacy,UniversityofMinnesota,9-127BWeaver-DensfordHall,ChangquanCalvinSun*308HarvardStreetS.
E.
,Minneapolis,MN55455.
Fax:612-626-2125;Tel:612-624-3722;Email:sunx0053@umn.
eduS1.
Syntheticprocedurefor1.
FigureS1.
X-RaydifferenceFouriermapintheregionoftheatomsO(7)andO(100)inthecrystalstructureof1.
FigureS2.
ORTEPdiagramofasymmetricunitof2.
S2.
MechanicalpropertiesdeterminedbynanoindentationFigureS3.
Nanoindentationload-unloadcurvesofACMFormIand1.
S3.
PowdercompactionS4.
PowderX-raydiffractometryFigureS4.
CalculatedandmeasuredPXRDpatternsof1forbulkpowder.
S5.
X-RaycrystallographicdatacollectionstrategyandrefinementTableS1.
X-Raycrystaldataandstructurerefinementfor1.
TableS2.
X-Raycrystaldataandstructurerefinementfor2.
References2S1.
Synthesisof1:Acetaminophen(ACM,302mg)wasdissolvedinCon.
HCl(1.
6mL)withslightheatingthencooledtoroomtemperature.
Singlecrystalsof1suitableforstructuredeterminationbyX-raydiffractionmethodwereformedwithin30min.
AnX-raydifferenceFouriermaprevealsthatthesiteofprotonationistheamideoxygen,O(7)(FigureS1),whichisconsistentwiththeobservationmadeinliterature(Refs4and7inthepaper).
FigureS1.
X-RaydifferenceFouriermapintheregionoftheatomsO(7)andO(100)inthecrystalstructureof1.
Thesinglemaximumof0.
63e-3neartheatomO7correspondstoprotonatedhydrogen;itsdistancefromO(7)is0.
89,anditsdistancefromO(100)is1.
61.
Wepreparedbulkpowdersof1byeitherlinearlyscalinguptheabove-mentionedreactionorbysuspendingACM(15g)inCon.
HCl(75mL)atroomtemperaturefor12hours.
Ifprolongedheatingisapplied,crystalsof2areproduced(FigureS2).
3FigureS2.
ORTEPdiagramofasymmetricunitof2.
S2.
MechanicalpropertiesdeterminedbynanoindentationCrystalhardness,H,weredeterminedusingananoindenter(TriboIndenterTI-900,HysitronInc.
,MN,USA)withaBerkovichdiamondindentertip.
Beforenanoindentationtesting,thetipareafunctionwasderivedfromaseriesofindentationsonafusedquartzstandard.
Thenanoindentationexperimentswereperformedunderthedisplacementcontrolmode.
Theratesofloadingandunloadingwereboth100nm/sanda10sholdingwasappliedatthemaximumindentationdepthof500nm.
Nanoindentationdatawereanalyzedfollowingthestandardprocedure.
S1RepresentativenanoindentationdataforACMFormIand1areshowninFigureS3.
40100200300400500012341Load(mN)Displacement(nm)FormIFigureS3.
Nanoindentationload-unloadcurvesofACMFormIand1.
Amuchlowerforceisrequiredtomakeanindentofthesamesizeon1thanonACM.
S3.
PowdercompactionAmaterialtestingmachine(model1485,Zwick/Roell,Kennesaw,GA)wasusedtoperformcompactionstudyofbulkpowderof1ataloadingrateof1mm/s.
Powderwasgrindedinamortarusingapestletoreduceparticlesizebeforecompactionstudiesatpressuresrangingfrom25to350MPa,whereadie(round,8mmdiameter)andflat-facedpuncheslubricatedwithmagnesiumstearatewereemployed.
Tabletswererelaxedunderambientenvironmentfor24hbeforemeasuringdiametricalbreakingforceusingatextureanalyzer(TA-XT2i,TextureTechnologiesCorp.
,Scarsdale,NY).
Tablettensilestrengthwascalculatedfromthebreakingforceandtabletdimensionsfollowingstandardprocedure.
S25S4.
PowderX-raydiffractometryX-Raypowderdiffractogramwasobtainedonawide-anglediffractometer(D5005,BruckerAXS).
CuKαradiationwasused.
Thevoltageandcurrentappliedwere45kVand40mArespectively.
Themeasurementwasperformedwithastepsizeof0.
02ofrom5oto35o681012141618202224262830323402040608010012014016018020068101214161820222426283032340204060801001201401601802001recordedRelativeintensityDiffractionangle2θ1calculatedtwothetaandadwelltimeof1s.
PXRDdatawereanalyzedusingacommercialsoftware(JADE,MaterialsDataInc.
,Livermore,CA).
Asidefromthedifferentpeakintensities,whichisattributedtothephenomenonofpreferredorientation,experimentalPXRDpatternofthebulkpowderusedforcompactionmatcheswellwiththecalculatedPXRDpattern(FigureS4).
FigureS4.
CalculatedandmeasuredPXRDpatternsof1forbulkpowder.
6S5.
X-RaycrystallographicdatacollectionstrategyandrefinementSuitablesinglecrystalwasplacedontothetipofa0.
1mmdiameterglassfiberandmountedonaBrukerApexIICCDareadetectordiffractometerfordatacollectionat173(2)KusingMoKαradiation(graphitemonochromator).
S3DataprocessingwasaccomplishedwiththeSAINTprocessingprogram.
ThestructurewassolvedusingBrukerSHELXTLandrefinedusingBrukerSHELXTL.
S4Adirect-methodssolutionwascalculated,whichprovidedmostnon-hydrogenatomsfromtheE-map.
Full-matrixleastsquares/differenceFouriercycleswereperformed,whichlocatedtheremainingnon-hydrogenatoms.
Allnon-hydrogenatomswererefinedwithanisotropicdisplacementparameters.
AllhydrogenatomswerelocatedfromthedifferenceFouriermapandallowedtorideontheirparentatomsintherefinementcycles.
KeycrystaldataanddatacollectionparametersaresummarizedinTableS1andS2for1and2respectively.
DatacollectionandstructuresolutionwereconductedattheX-RayCrystallographicLaboratory,S146KolthoffHall,DepartmentofChemistry,UniversityofMinnesota.
7TableS1.
X-Raycrystaldataandstructurerefinementfor1.
EmpiricalformulaC8H12ClNO3Formulaweight205.
64Temperature173(2)KWavelength0.
71073CrystalsystemMonoclinicSpacegroupP2(1)/cUnitcelldimensionsa=6.
2761(6)α=90°.
b=22.
345(2)β=97.
2570(10)°.
c=6.
8833(7)γ=90°.
Volume957.
56(16)3Z4Density(calculated)1.
426Mg/m3Absorptioncoefficient0.
374mm-1F(000)432Crystalsize0.
36x0.
26x0.
16mm3Thetarangefordatacollection1.
82to26.
84°.
Indexranges-72sigma(I)]R1=0.
0272,wR2=0.
0734Rindices(alldata)R1=0.
0306,wR2=0.
0760Largestdiff.
peakandhole0.
193and-0.
243e.
-38TableS2.
Crystaldataandstructurerefinementfor2.
EmpiricalformulaC6H8ClNOFormulaweight145.
58Temperature173(2)KWavelength0.
71073CrystalsystemMonoclinicSpacegroupP2(1)/cUnitcelldimensionsa=6.
4919(6)α=90°.
b=6.
1159(6)β=90.
0320(10)°.
c=16.
8700(16)γ=90°.
Volume669.
80(11)3Z4Density(calculated)1.
444Mg/m3Absorptioncoefficient0.
480mm-1F(000)304Crystalsize0.
19x0.
16x0.
15mm3Thetarangefordatacollection2.
41to27.
56°.
Indexranges-82sigma(I)]R1=0.
0226,wR2=0.
0658Rindices(alldata)R1=0.
0228,wR2=0.
0660Extinctioncoefficient0.
017(3)Largestdiff.
peakandhole0.
271and-0.
207e.
-39References:(S1)W.
C.
Oliver,G.
M.
Pharr,J.
Mater.
Res.
1992,7,1564-1583(S2)J.
T.
Fell,J.
M.
Newton,J.
Pharm.
Sci.
1970,59,688-691.
(S3)Bruker(2007).
APEX2,SADABSandSAINT.
BrukerAXSInc.
,Madison,Wisconsin,USA.
(S4)G.
M.
Sheldrick,ActaCrystallogr.
2008,A64,112–122.
LOCVPS发布了7月份促销信息,全场VPS主机8折优惠码,续费同价,同时香港云地/邦联机房带宽免费升级不加价,原来3M升级至6M,2GB内存套餐优惠后每月44元起。这是成立较久的一家国人VPS服务商,提供美国洛杉矶(MC/C3)、和中国香港(邦联、沙田电信、大埔)、日本(东京、大阪)、新加坡、德国和荷兰等机房VPS主机,基于XEN或者KVM虚拟架构,均选择国内访问线路不错的机房,适合建站和远程办...
飞讯云官网“飞讯云”是湖北飞讯网络有限公司旗下的云计算服务品牌,专注为个人开发者用户、中小型、大型企业用户提供一站式核心网络云端部署服务,促使用户云端部署化简为零,轻松快捷运用云计算。飞讯云是国内为数不多具有ISP/IDC双资质的专业云计算服务商,同时持有系统软件著作权证书、CNNIC地址分配联盟成员证书,通过了ISO27001信息安全管理体系国际认证、ISO9001质量保证体系国际认证。 《中华...
小渣云 做那个你想都不敢想的套餐 你现在也许不知道小渣云 不过未来你将被小渣云的产品所吸引小渣云 专注于一个套餐的商家 把性价比 稳定性 以及价格做到极致的商家,也许你不相信36元在别人家1核1G都买不到的价格在小渣云却可以买到 8核8G 高配云服务器,并且在安全性 稳定性 都是极高的标准。小渣云 目前使用的是美国超级稳定的ceranetworks机房 数据安全上 每5天备份一次数据倒异地 支持一...
solved为你推荐
国内虚拟主机国内虚拟主机好,还是香港虚拟主机好美国vps服务器便宜的国外vps都有哪些,能否推荐几个??免费虚拟空间免费的虚拟主机空间哪个好?域名代理如何知道自己的域名是在哪个代理商注册的啊?虚拟主机推荐有哪些好的虚拟主机推荐国内免费空间免费空间哪个好用美国vps主机美国VPS好?还是香港VPS好?海外域名我想了解一下“国内域名”,“国外域名”以及“海外服务器”这三个方面的一些知识免费网站空间免费个人网站 空间国内最好的虚拟主机国内虚拟主机哪家的好?
香港ufo 老鹰主机 omnis 轻博客 cpanel空间 anylink 服务器维护方案 流量计费 网络空间租赁 免费申请网站 百度云1t 免费邮件服务器 下载速度测试 网站防护 japanese50m咸熟 reboot 美国达拉斯 超低价 什么是云主机 戴尔主机 更多