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Lecture 4

CHEM 2020 Lecture Notes - Lecture 4: Furan, Tetrahydrofuran, Ethylene Oxide

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CHEM 2020
Derek Jackson

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Chapter 14 Pyrans & furans
Least common are 4-memebred oxetanes.
They are straiined & more reactive. Not as reactive & highly strained as
oxirane (epoxides)
Furans (Oxolanes)
5 membered ethers
Furan used for 5 ring with or w/o double bond
Oxolane is a simple structure. Five membered ring containing oxygen atom
THF - saturated 5-membered ring. Its saturated w/ additonal 4 H
atoms.called tetrahydrofuran
THF is a good nonhydroxylic oranic solvvent for polar reagents
Pryans (Oxanes)
6 memebered cyclic ethers.
Pyran is unsaturated ether.
Saturated pyran is called tetrahydropyran (THP) - CALLED OXANE
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