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.
VoLLcloud LLC是一家成立于2020年12月互联网服务提供商企业,于2021年1月份投入云计算应用服务,为广大用户群体提供云服务平台,已经多个数据中心部署云计算中心,其中包括亚洲、美国、欧洲等地区,拥有自己的研发和技术服务团队。现七夕将至,VoLLcloud LLC 推出亚洲地区(香港)所有产品7折优惠,该产品为CMI线路,去程三网163,回程三网CMI线路,默认赠送 2G DDoS/C...
数脉科技六月优惠促销发布了!数脉科技对香港自营机房的香港服务器进行超低价促销,可选择30M、50M、100Mbps的优质bgp网络。更大带宽可在选购时选择同样享受优惠,目前仅提供HKBGP、阿里云产品,香港CN2、产品优惠码续费有效,仅限新购,每个客户可使用于一个订单。新客户可以立减400元,或者选择对应的机器用相应的优惠码,有需要的朋友可以尝试一下。点击进入:数脉科技官方网站地址数脉科技是一家成...
星梦云怎么样?星梦云好不好,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 。官方网站:点击访问星梦云官网活动方案:1、成都电信年中活动机(封锁UDP,不可解封):机房CPU内存硬盘带宽IP防护流量原价活动价开通方式成都电信优化线路4vCPU4G40G+50...
solved为你推荐
服务器空间租用租用服务器一年我要交多少钱.net虚拟主机虚拟主机如何设置net版本?租服务器我想租服务器,请问会提供哪些服务?注册国际域名怎么申请国际域名虚拟主机申请个人虚拟主机怎么申请?免费网站空间申请哪里有免费申请空间的(网页制作)手机网站空间我想建一手机网站,那位推荐一个域名便宜点的手机建站网址,空间小也没关系。重庆网站空间重庆建网站的公司 我司准备建一个好点的网站,求推荐国内最好的虚拟主机国内安全性最好的虚拟主机空间商有哪些?1g虚拟主机1G虚拟空间大约多少钱?
vps是什么 fdcservers kvmla 私服服务器 香港机房托管 suspended 服务器日志分析 天猫双十一秒杀 lamp配置 国外在线代理 台湾谷歌网址 好看qq空间 100x100头像 电子邮件服务器 中国电信测网速 idc查询 上海联通宽带测速 中国电信宽带测速器 新睿云 512mb 更多