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The substitution of akyl halides hy zinc salts
thus constitutes a very useful synthetic reaction
for the preparation of alcohols, ethers, esters,
thioethers and thiolesters both under solvolytic
and nonsolvolytic conditions. Using this versatile
reaction, a large number of allyl, benzyl and tertiary
alkyl derivatives, which are widely used in
the perfumery and flavour industry, can be obtained.
Among these, mention must be made of
a-terpinyl, l-menthanyl, myrcenyl, dihydromyrcenyl,
benzyl, styrallyl 3,3-dimethyhdlyl and carvyl
esters, ethers and alcohols. The inexpensive
reagents, convenient reaction conditions and
suitability for large-scale operation are attractive
features of the method. 
