Draw the two major allylic alcohol intermediates and the two final products in the following two-step synthesis. Show the correct stereochemistry of each compound; if applicable, use wedge‑and‑dash bonds to indicate chirality centers, and you must show hydrogens on these centers.Starting material 1 is a 4 carbon chain with a double bond between carbons 1 and 2 and two methyl substituents on carbon 3. Starting material 2 is a cis alkene where each alkene carbon is bonded to C H 2 O H and hydrogen. The two starting materials react under grubbs G 2 catalyst to give two major allylic alcohol intermediates. The intermediates undergo reaction with titanium isopropoxide, plus diethyl tartrate and tert butyl bonded to O O H. The second step is reaction with hydroxide and water to give two final products.
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Parasitism is a type of symbiotic relationship, or long-term relationship between two species, where one member (the parasite) gains benefits that come at the expense of the host member.
There are many types of parasitism, and parasites can belong to multiple classifications based on their size, characteristics, and relationship with the host. For example- Obligate parasitism, facultative parasitism and social parasitism. Over half of all organisms on Earth have a parasitic phase at some point in their life cycle. They can be in humans, plants, insects and fish.