作者:Jack E Baldwin、Andreas Beyeler、Rhona J Cox、Clare Keats、Gareth J Pritchard、Robert M Adlington、David J Watkin
DOI:10.1016/s0040-4020(99)00360-9
日期:1999.6
The base catalysed dimerisation of 2-[(E)-1'-pentenyl]-3-methyl maleic anhydride has been extensively reinvestigated and the relative stereochemistry of an isoglaucanic acid derivative product has been determined by X-ray crystallography. The dimerisation process has been improved and the work up has been simplified, doubling the yield. Further co-products have been isolated and characterised from which a stepwise mechanism is proposed. (C) 1999 Elsevier Science Ltd. All rights reserved.