A mild and straightforward method for the preparation of 4H-5,6-dihydro-1,2-oxazines from keto-epoxides via cyclisation of the intermediate oximes is reported, as is a preparative route to 3-amino-7,8-dimethoxychromen-2-one; these procedures were then employed to prepare a novel analogue of trichodermamide natural products. (c) 2007 Elsevier Ltd. All rights reserved.
|Number of pages||4|
|Publication status||Published - 23 Jul 2007|
- X=Y-ZH SYSTEMS
- POTENTIAL 1,3-DIPOLES