专利名称：Process and intermediates for the
production of 5-oxaspiro [2.4] heptan-6-one
发明人：HANSELMANN, PAUL, DR.申请号：EP95105830.4申请日：19950419公开号：EP0678515B1公开日：19980708
摘要：Prodn. of 5-oxaspiro (2,4) heptan-6-one of formula (I) comprises:(a) reacting 3-hydroxymethyl-oxetane-3-acetonitrile (II) with HBr; and (b) cyclising the resulting 4,4-bis(bromomethyl)-tetrahydrofuran-2-one of formula (III) with Zn:
申请人：LONZA AG,LONZA AG,LONZA AG
地址：CH
国籍：CH
代理机构：Weinhold, Peter, Dr.
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