The reaction you described involves Mo(CO)6 reacting with LiPh (lithiophenyl) followed by a carbonation reagent (CH3OSO2CF3). The specific details of the reaction, including the order and conditions, are crucial to determine the structure of the product (A). Without that information, it's challenging to provide the exact structure of A. If you have more details or specific reaction conditions, I can try to help further.
Without specific reaction conditions and details, it’s challenging to provide the exact structure of the product (A). The reaction details, such as temperature, solvent, and reaction time, play a crucial role in determining the outcome. If you can provide more specific information, I’ll do my best to assist you.