The following reactions involve combinations of pericyclic reactions. Give detailed mechanisms for each transformation. Be sure to illustrate all observed stereochemistry. Identify (by name) the pericyclic reaction(s) in each example. v. vi. + AcO
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- Identify the pericyclic reactions in the followingreaction schemes. Give the complete reactionname and indicate the course of the reaction withthe aid of the arrow notation.Identify the pericyclic reactions in the followingreaction schemes. Give the complete reaction name and indicate the course of the reaction with the aid of the arrow notation.Give the mechanistic Symbols CE1, E₂, SN, SN²) that are Con Sistent with Statemenst! most each of the following O Methyl halides react with Sodium ethoxide in eth and only by this mechanism In ethanol that contains Sodiumn ethoxide, tert-butyl bromide reacts mainly by this mechanism c) these reaction Con certed DJ these involve are mechanisms infere processes reactions mechanisms carbc cation intermedites E) Reactions proceeding by mechanisms are these Sterospecific
- H. H ÔMe Ph;P LIAIH4 compound a compound b HO. Bombykol C16H300 The above reaction scheme presents one possible synthesis of the compound. Work out the synthesis on a separate sheet of paper, and then draw the structure of compound b. Consider E/Z stereochemistry of alkenes. Do not show stereochemistry in other cases.Draw the structure of the principal organic product that forms in each of the following reactions. Specify stereochemistry where appropriate please [30] 5. Draw the structure of the principal organic product that forms in each of the following reactions. Specify stereochemistry where appropriate. a) b) PraSiO CH3 C N OOH (mCPBA) CH₂Cl₂/-20°C O (EtO)2PCH₂COCH3 (1 eq) LICI/CHICN 4Explain the regioselectivity exhibited by the following reaction, .COMe 20°, 7 months 54% CO2ME 82:18 Support the formation of the major product through a pericyclic process by correlation diagram.
- Give strucutre of products formed including stereochemistry if appropriate. If more than one product is formed, indicated which is the major product or if formed in equal amounts. PhMgBr (2 equiv.) then H30* HO, он он РСС ноProvide the reagents necessary to carry out the conversion shown. 1. H2O; 2. KMnO4 1. O3; 2. DMS; 3. Na2Cr2O7/H2SO4/H2O 1. NaOH, Br2; 2. DMS; 3. H2O/heat 1. O3; 2. DMS; 3. KMnO4 1. DMS; 2. H2O2/heat1) Complete the following reaction scheme. Show stereochemistry where necessary. Show all organic products. NBS UV 2) (a)Complete the following reaction scheme. Show stereochemistry where necessary b) Indicate the reaction type, SN1, SN2, E1 or E2 (c) Provide two reasons for the reaction type stated in (b) Reacton Pd Penon 2 Reacten Produd Feson2 Reaction Podet Reson 2 Peaction Product Reason 2 Tre OH Peacton Preduct aton Reason1 Reason2 HBr OH 3) For each of the following planar (flat) structures, indicate whether the structure is aromatic or non-aromatic он
- Chemistry Give the major product of the following reactions with the appropriate stereochemistry and regiochemistry 1. CH3 Compound A m. m. 1. Compound A; 2. dil. HCI CI Br n. 1. Compound A; 2. dil. HC1 Ph 0. 1. Compound A; 2. dil. HCI O2N.Q12. (1-bromoethyl)benzene 1 udergoes an elimination following an E1 mechanism. Fill in the following synthetic scheme by drawing the structure of intermediate 2 and product 3. The chemical formula of product 3 is provided as guidance. CH; RDS Br C3Hg E1 2 3Which conditions will cause the interconversion shown? how? H H2/ Lindlar catalyst oa. Li/ NH3lia) ob. H2 / PtO2 (1) Brg: (2) KOH / E:OH od. (1) Hg(OAc)2 / THF / H2O: (2) NaBH4 е.