any help much appreciated

Answer ALL parts The following scheme describes the synthesis of O from an acyclic precursor P. This is accomplished using two well-known organometallic transformations. dgpp2CO3dppPd(OAC)2 a) Predict the structure of product Q. [2] b) Provide a detailed mechanism for the formation of Q [9] c) For the conversion of R to O, predict the structure of product O including a justification of the relative stereochemistry. [10] d) How would you synthesise enantiopure O? [4]