Carbene complexes in organic synthesis: a new tungstacarbene-promoted alkyne insertion–olefin cyclopropanation reaction
1987 ◽
pp. 1041-1049
◽
1998 ◽
Vol 56
(12)
◽
pp. 1048-1057
◽
1998 ◽
Vol 56
(5)
◽
pp. 413-423
◽