共 29 条
[21]
LEGRAND L, 1960, B SOC CHIM FR, P337
[24]
PATEL VS, 1965, J INDIAN CHEM SOC, V42, P531
[25]
SHENG MN, 1963, J ORG CHEM, V28, P736
[27]
THIEME P, 1973, SYNTHESIS-STUTTGART, P426
[28]
ZAHER HA, 1974, INDIAN J CHEM, V12, P1212
[29]
SYNTHESES OF HETEROCYCLES .114. REACTIONS OF ISATOIC ACID ANHYDRIDE WITH ISOTHIOUREAS CARBODIIMIDES AND CYANAMIDES
[J].
MONATSHEFTE FUR CHEMIE,
1968, 99 (04)
:1499-&