Isoxazolines as intermediates to furans

Details Isoxazolines as intermediates to furans Isoxazolines as intermediates to furans

1989-07-25

1990-09-04

Shah, Mukund J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549497, C07D26104

Patent

active

049546333

ABSTRACT:
Isoxazolines of the general formula II ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each unsubstituted or halogen-, haloalkyl-, alkoxy-, haloalkoxy-, nitro-, cyano-, dialkylphosphonyl- or alkoxycarbonyl-substituted alkyl, aryl, aralkyl, alkoxycarbonyl or dialkoxyphosphonyl, R.sup.2 and R.sup.4 are each also hydrogen and R.sup.3 is also hydroxyalkyl which is unblocked or blocked by a detachable protective group or is haloalkyl, X is hydrogen or a detachable protective group, are used to prepare furans.

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