4. Propose a mechanism to explain the formation of the unexpected product: 1. xs. CH3CH2MgBr _THE...
4. A student tried to form the iodohydrin of the alkene shown. However, they isolated an unexpected product. Propose a mechanism that explains the formation of this product. (5 points) HO ОН not this one They found this product TI looks like
5. Propose a mechanism to justify the formation of the following product. (4) Br 1. NaNH2, Liq NH3
Propose a mechanism to account for the following: Would it be optically active? Page 4 of 16 5) (20) a) Propose a mechanism to account for the formation of the following observed reaction product(s) 1) NaBH4 CH3CH2OH 2) H30* он
8. (i) Propose a product for the following reaction below and give a mechanism for its formation: 2. K 2HN (ii) Provide a muti-step mechanism for the following reaction: 0 0 CI OCH (ii) The product morpholine is synthesised as shown. Give a mechanism for each of the steps: NHt +
propose a mechanism for the formation of this compound. the the major ketal product is ethyl acetoacetate ethylene ketal. 4. (in H22 Os veyi acciacciate. 4. The ketal product contains a minor amount (< 0.1%) of a substance, C4H20s whose molecular structure contains ester and ketal groups. Propose a structure for the compound and a mechanism for its formation.
1. Propose a mechanism for the formation of the given product: (6 po HT H2O
Problem 1 (10 pts) Draw the major product (monoalkylation) and propose a mechanism for its formation. OCH3 (CH3)3CCI AICI: Problem 2 (10pts) Draw the major product of the following reactions. Brz FeBr3 a) HNO3 H2SO4 b) OH ON NOZ NaOH 50°C c) Br Problem 3 (10 pts) Show the necessary steps for each of the following transformations. CO2H ŞO3H NO2 Br a) b)
8. Propose a reasonable mechanism to account for the formation of the following product: OCH2CH3 CH3CH OH Heat
1. Propose a mechanism to account for the formation of this product. OH H2SO4, Heat 2. Which solvents are preferred for an SN2 reaction. Why is this? Which solvents are preferred for an Snl reaction. Why is this?
Both problems please, thank you very much in advance! 3. Propose arrow.pushing mechanisms to explain the formation of each product. TOCH Emper EtMgBr LOCH, OCH och H2O H30*