Question

Please do answer all the questions below accurately. The answers will be rated.

P/S: The questions are complete.

Field: Inorganic Chemistry.

The reaction of Mn(CO)s(CH3) with 1°CO in hexane affords the following products: CO **** CO ОСПи. CO CH3 OCH Mn 13CO CO Mn CO OC Н,С и, CO Mn CO OC "CH3 OC Čo МЗСО ČO ĆO 25% čo 25% 25% 25% (i) Provide and explain the likely mechanism for the reaction. (ii) Explain why equal amount (25%) of each product is produced. (iii) Sketch the dominant transition state when hexane is replaced with tetrahydrofuran and explain why it is not the same as that suggested for 3(i). Sketch all the products that would be produced if the methyl group (CH3) could be replaced with isopropyl group (CH(CH3);). (iv) (20 marks) ((Ru(CHo)2][BF4]2 (Ru(C He) Cl)2 (X) reacted with AGBF, in benzene to produce (a) wherein the cation is designated as Y. Treatment of the product with Na in liquid NH3 gives a neutral Ru° complex designated as Z. Sketch the structures for X, Y and Z. Explain a likely driving force for the formation of Y from X. (i) (ii) (10 marks)

Answer 1

Сна COCHE CI co oc' co co (A). co co OC CH3 Wy Co . N D . CO F AD CH3 co 25 % 25% Osl the Reacties of 'o co od CH Mocco)s yields cis-Chocolino (Zde as the pooduct as a result of migaatooy inseahon of co aloeady coordinated to mo. * Decarboxylation of the product CA) le, the pevase of co insertion gives a mistue of 4 pooducts.

(ii) During the severse reaches (decaxborylation the chyf the acetyl group has the choice of 4 eie positions into which it may starft by displeang co groups. As it migsates, me thaupt goerep con diaplace the '%co to give a product containing so 'sco Cos%), it may disp lace either of the Qco ligonde adjacent to the tagged 'co to give the product caith Cha cre to 'sco Cos% each) or it may dieplace the cotans to 'sco to give toons product (as %).

و نے مقصد پورا لن جي و بنام o2 0 0 in Hescase.