One of the most valuable principles out of twelve principles of green chemistry
is the use of catalysis. The use of serious principles including reducing the utilization or
production of hazardous material in chemistry reactions is green chemistry. This paper
claims to review the catalytic importance of one of the most important organocatalysts
called Ph3P. One of the most successful organocatalysts is phosphine that has been
greatly utilized in isomerization of ynones or ynonates, Aza-Michael reactions, Baylis-
Hillman reactions, allylic amination, and asymmetric  cycloadditions. These catalysts
have become important for the synthesis of numerous cyclic and heterocyclic compounds.
Keywords: Organocatalyst, synthesis, triphenylphosphine, catalysis, organophosphorus, green chemistry.
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