The structures of the two intermediates and the final product of the Grubbs catalysis reaction are shown in the attached image, with emphasis on the stereochemistry of the two intermediates and the end product.
What are intermediates?
Intermediates are those species which are formed during the process of any chemical reaction which in turn finally converts into products.
Stereochemistry is a discipline of chemistry that studies the three-dimensional structure of molecules and how it influences their physical and chemical properties.
According to the question it is discussing about the Grubbs catalysis reaction which is a transition metal carbene series complex in which mixture of two optical active compounds are obtained which are the intermediates which finally gives product after reduction.
Hence the required structures are shown in the attached image.
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