有机合成学生版chapter 1.pptx

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Chapter1introduction1.1SyntheticStrategies1.2stericfactors1.3criteriaforevaluatingsynth.Routes1.4somesynth.Terms1.5learningtosyntheticmethods

Thereasonsforundertakingasynthesis:1.Ultimateconfirmationofanaturalproduct2.Exploringthephysical,chemicalorbiologicalpropertiesofacompound1.1SyntheticStrategies

3.Examiningthemetabolismofacompound4Demonstratingthescopeofanewsyntheticmethodology5Producingmedicinalproducts

GeneralstrategiesforsynthesisRetrosyntheticanalysis:workbackwardstepbysteptofindtheimmediateprecursoruntilasuitablestartingmaterialisfound

TolookattherelationshipbetweenfunctionalgroupsUsefulaidstoidentifyingdisconnections

Tolookforelementsofsymmetrywithinamolecule

Toremoveappendages

Toidentifyeachoftheringswithinamolecule

retrosynthesisofphenacetin(非那西汀)

Themorenucleophilicnitrogenisacetylatedbeforethephenolisalkylated

Thedissectionofthestructureofphenacetininanindustrialcontextisgiveninthefollowingscheme?para-aminophenolcanbeusedasthestartingmaterial

1.2StericFactorssuccessfulsynthesisreliesonfavourableelectronic;stericfactors.

1.3CriteriaforEvaluating

SyntheticRoutesConvergent收敛型strategy:Fragmentsofthemoleculeassembledseparatelyandthenbroughttogetheratalatestageinthesynthesis

Linearstrategy:themoleculeisconstructedinastepwisefashion

1yield.2flexibility3beingusefulformutuallypatibleorveryreactivefunctionalgroupspresentinamoleculeConvergentsynthesishaveadvantagesoverthelinearsynthesisintermsof

作业将下列中文译成中文1、氧化2、还原3、硝化4、亚硝化5、乙酰基6、亲核的7、手性8、对映体9、立体异构体10、几何异构第一题a,b,c

WorkedProblem1.1Givearetrosyntheticanalysisoftheanti-inflammatorydrugphenylbutazone(苯基保太松)

Workedproblem1.2Suggestpotentialbuil

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