123433-63-6Relevant articles and documents
Low pressure carbonylation of heterocycles
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Page/Page column 5, (2008/06/13)
Heterocycles, e.g., epoxides, are carbonylated at low pressure with high percentage conversion to cyclic, ring expanded products using the catalyst where L is tetrahydrofuran (THF).
SYSTHESIS AND INTRAMOLECULAR RING CLEAVAGE OF 2-OXETANONES
Mead, Keith T.,Samuel, Beverly
, p. 6573 - 6576 (2007/10/02)
Intermolecular 2+2 aldehyde-ketene cycloaddition, followed by Lewis acid induced intramolecular ring opening of the 2-oxetanone product have been used to prepare tetrahydrofuran and tetrahydropyran ring systems.