Awesome and Easy Science Experiments about 2-(4-Bromobutoxy)tetrahydro-2H-pyran

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Reference of 31608-22-7, An article , which mentions 31608-22-7, molecular formula is C9H17BrO2. The compound – 2-(4-Bromobutoxy)tetrahydro-2H-pyran played an important role in people’s production and life.

Synthesis of (6E,11Z)-6,11-Hexadecadien-1-yl Acetate

1-Bromo-non-4(Z)-ene (II) on reaction with the dianion of propargyl alcohol in liq.NH3 yields the acetylenic alcohol (III) which on LAH reduction gives (2E,7Z)-2,7-dodecadien-1-ol (IV).The bromide (V) obtained from IV when coupled with 1-bromo-4-tetrahydropyranyloxybutane in the presence of Li2CuCl4 affords VI which on hydrolysis gives VII.Acetylation of VII (Py/Ac2O) leads to the title compound (I).

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Reference£º
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics