共 42 条
[2]
Askin D, 1990, Eur Pat Appl, Patent No. [EP 364031, 364031]
[6]
Baumann K, 1999, SYNLETT, P877
[7]
Baumann K, 1993, Eur Pat Appl, Patent No. [EP 569337, 569337]
[9]
Bulusu MARC, 1999, INDIAN J CHEM B, V38, P1159
[10]
COLEMAN RS, 1989, HETEROCYCLES, V28, P157