The subject has been surveying the condition of synthetic reactions of 2-phencyloxybenzaldehyd derivatives directly from phencyl and salicylaldehyd derivatives bromid not through aldehyd functional group protection period. Improved reaction conditions are the limitations in the process previously announced as fast response time in room temperature short process, only through the 2 steps, limit the use of hazardous agents, and can be purified by crystallization method products with performance from 45-55%. This has huge implications in its application to the synthesis of 2-phenacyloxybenzaldehyd derivatives as raw materials needed for the process of synthesizing compounds 3-hydroxy-4-chromanon in the next research
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