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.

什么是BGP国际线路及BGP线路有哪些优势

我们在选择虚拟主机和云服务器的时候,是不是经常有看到有的线路是BGP线路,比如前几天有看到服务商有国际BGP线路和国内BGP线路。这个BGP线路和其他服务线路有什么不同呢?所谓的BGP线路机房,就是在不同的运营商之间通过技术手段时间各个网络的兼容速度最佳,但是IP地址还是一个。正常情况下,我们看到的某个服务商提供的IP地址,在电信和联通移动速度是不同的,有的电信速度不错,有的是移动速度好。但是如果...

UCloud云服务器香港临时补货,(Intel)CN2 GIA优化线路,上车绝佳时机

至今为止介绍了很多UCLOUD云服务器的促销活动,UCLOUD业者以前看不到我们的个人用户,即使有促销活动,续费也很少。现在新用户的折扣力很大,包括旧用户在内也有一部分折扣。结果,我们的用户是他们的生存动力。没有共享他们的信息的理由是比较受欢迎的香港云服务器CN2GIA线路产品缺货。这不是刚才看到邮件注意和刘先生的通知,而是补充UCLOUD香港云服务器、INTELCPU配置的服务器。如果我们需要他...

星梦云:四川100G高防4H4G10M月付仅60元

星梦云怎么样?星梦云资质齐全,IDC/ISP均有,从星梦云这边租的服务器均可以备案,属于一手资源,高防机柜、大带宽、高防IP业务,一手整C IP段,四川电信,星梦云专注四川高防服务器,成都服务器,雅安服务器。星梦云目前夏日云服务器促销,四川100G高防4H4G10M月付仅60元;西南高防月付特价活动,续费同价,买到就是赚到!点击进入:星梦云官方网站地址1、成都电信年中活动机(成都电信优化线路,封锁...

solved为你推荐
买虚拟主机在淘宝购买虚拟主机要注意什么?网站空间租赁网站空间必须通过租用得到吗?.net虚拟主机虚拟主机 net framework 1.1/2.0/3.5 什么意思?国内ip代理找一个好用的国内电信IP代理?免费域名空间求1个免费空间送域名那种云服务器租用租用云服务器,要注意什么?虚拟主机是什么什么是虚拟主机?apache虚拟主机Apache跟虚拟主机有什么关系?成都虚拟主机一个虚拟主机最多支持几个子目录呢?一个百度推广账户是不是只能推广一个主域名下的网站?asp虚拟主机支持ASP MSSQL 的虚拟主机有哪些推荐
韩国vps俄罗斯美女 最便宜的vps 免费注册网站域名 softbank官网 好看的留言 directadmin php空间申请 七夕快乐英文 河南m值兑换 免费测手机号 双线asp空间 网购分享 东莞服务器托管 阵亡将士纪念日 数据湾 汤博乐 cdn免备案空间 华为云服务器宕机 次时代主机 国外bt下载网站 更多