Process for the preparation of novel 2-alkoxy-3,4-dihydro-2H-pyrans
The 2-alkoxy-3,4-dihydro-2H-pyrans of the formula I are prepared by reaction of correspondingly 2,3-substituted acrolein with an appropriate vinyl ether. R1 and R2 are identical or different and denote a phenyl group which is optionally substituted one or more times, or a heterocyclic radical, and R...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
15.02.1979
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Subjects | |
Online Access | Get full text |
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