有哪些信誉好的足球投注网站Synthesis and Crystal Structure of （3R,4R）-5-（2,4-Dichlorobenzoyl）-4-（4-nitrophenyl）-6-（phenylamino）-3,4-dihydro-2H-thiopyran-3-carbonitrile.pdfVIP
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Synthesis and Crystal Structure of （3R,4R）-5-（2,4-Dichlorobenzoyl）-4-（4-nitrophenyl）-6-（phenylamino）-3,4-dihydro-2H-thiopyran-3-carbonitrile.pdf
3O卷 6期 结 构 化 学 (J陋GD ： ) 、厂0I．3O．No．6
2011．6 Chinese Struct． Chem． 867～871
SynthesisandCrystalStructureof
(3 ，4 )-5-(2，4-Dichlorobenzoy1)一4一(4-nitr0pheny1)一6一
(phenylamino)．3，4．dihydro．2H-thiopyran．3．carbonitrile①
WEN Li．．Rong WANGLi．．Juan LIM ing~
(KeyLaboratoryofEco—ChemicalEngineering,
MinistryofEducation，CollegeofChemistryand
幻lectltnrEngineering,QingdaoUniversityof
ScienceandTechnology,Qingdao266042，China)
ABSTRACT Thetitlecompound(C25H16C12N3O38)，asathiopyranderivative，hasbeen
synthe--sizedbythecyclizationofano~anicintermediateobtainedfrom Baylis-H·illmanadducts
withafl-aroylthioamideusingcopper(I)saltasthecatalyst．Thecrystalbelongstothemonoclinic
system，spacegroupP21／cwitha=13．668(3)，b=8．4803(17)c=21．999(4)A，=113．57(3)。，V
= 2337．2(10)A，Z=4，Mr=510．38，Dc=1．451g／cII1j， =0．401mm-，F(000)=1048，htefinal
R=0．0487andwR=0．1079for3678observedreflectionswith，20(0．
Keywords：CuI—L-proline-CszCO3，thiopyranderivative，
fl-aroylthioamide，synthesis，crystalstructure
1 INTRoDUCTIoN enamines，have proven to be importantbuildnig
blocksni theconstructionofheterocyclesystems
Thiopyrananditsderivativesasimportanthetero— ud etothepromi snigstructuralfeature：twonucleo—
cycle compoundswith asulfuratom,un iversally philiccenterslocalizedonhteheteroatoms(sulfur
ofundinavarietyofbiologicallyactivemoleculesI【J’ nadnirtogen)andbehavingasaMichaeladdition
are highly important in academia aswellas in donor in base conditionL ．The Ba
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