Abstract
Chiral bicyclic guanidinium salts (e.g. 1) were readily prepared from asparagine and methionine via alkylative cyclisation of an open chain thiourea.
Original language | English |
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Pages (from-to) | 2269-2272 |
Number of pages | 4 |
Journal | Tetrahedron Letters |
Volume | 31 |
Issue number | 16 |
DOIs | |
State | Published - 1990 |