共 6 条
[1]
Huisgen R., 1967, 21 CHEM SOC SPEC PUB, V21, P51
[2]
HUSIGEN R, 1968, Z CHEM, V8, P290
[3]
SYNTHESES OF HETEROCYCLES .152. SYNTHESIS OF PYRIMIDINE BETAINES
[J].
MONATSHEFTE FUR CHEMIE,
1971, 102 (03)
:781-&
[4]
KAPPE T, 1971, ANGEW CHEM, V83, P967
[5]
Ohta M., 1969, NONBENZENOID AROMATI, P117