A number of highly conjugated organic compounds have found use as sunscreens. One of
Chapter 18, Problem 53(choose chapter or problem)
A number of highly conjugated organic compounds have found use as sunscreens. One of themore widely used is 4-methylbenzylidene camphor (4-MBC), whose structure is shown in themargin. This compound is effective in absorbing so-called UV-B radiation (with wavelengthsbetween 280 and 320 nm, responsible for most sunburns). Suggest a simple synthesis of thiscompound using a crossed aldol condensation.
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