共 7 条
[1]
ALLOUM AB, 1989, J CHEM SOC CHEM COMM, P386
[2]
Ambramovitch RA, 1991, ORG PREP P INT, V23, P683
[3]
MECHANISTIC STUDIES IN THE CHEMISTRY OF UREA .8. REACTIONS OF UREA, 1-METHYLUREA, AND 1,3-DIMETHYLUREA WITH SOME ACYLOINS AND BUTANE-2,3-DIONE (DIACETYL) IN ACID-SOLUTION
[J].
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2,
1981, (02)
:310-316
[5]
GERD B, 1977, Patent No. 2622496
[6]
GRIMM B, 1987, Patent No. 252377
[7]
YONG BK, 1994, J HETEROCYCLIC CHEM, V31, P1653