共 49 条
- [11] C-13 NMR CONFORMATIONAL STUDY OF THIOUREAS [J]. ORGANIC MAGNETIC RESONANCE, 1977, 9 (03): : 125 - 126
- [12] ROTATION BARRIERS AROUND C-N BONDS IN UREAS - INFLUENCE OF REPLACEMENT OF C=O BY C=S [J]. OMR-ORGANIC MAGNETIC RESONANCE, 1971, 3 (02): : 187 - &
- [13] FRUCHT M, 1970, TETRAHEDRON LETT, P3707
- [14] APPLICATION OF C-13 AND N-15 SPECTROSCOPY TO THE STUDY OF ELECTRONIC DELOCALIZATION IN N-N BONDS - NITROSAMINES, HYDRAZONES, TRIAZENES AND RELATED PROTONATED SPECIES [J]. ORGANIC MAGNETIC RESONANCE, 1979, 12 (05): : 263 - 270
- [15] GOUESNARD JP, UNPUBLISHED
- [16] NITROGEN-14 CHEMICAL SHIFTS IN UREAS [J]. JOURNAL OF THE CHEMICAL SOCIETY B-PHYSICAL ORGANIC, 1968, (06): : 673 - +
- [18] UREA BORON TRIHALIDE ADDUCTS .4. IONIC-COVALENT EQUILIBRIA IN TETRAMETHYLTHIOUREA-BF-3 AND TETRAMETHYLSELENOUREA-BF-3 SYSTEMS AND INFLUENCE OF B-2F-7 FORMATION [J]. CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 1976, 54 (07): : 1121 - 1129
- [19] UREA-BORON TRIHALIDE ADDUCTS .1. BORON-TRIFLUORIDE ADDUCT OF TETRAMETHYLUREA [J]. CANADIAN JOURNAL OF CHEMISTRY, 1972, 50 (05): : 713 - &
- [20] UREA BORON TRIHALIDE ADDUCTS .5. EFFECTS OF ACID STRENGTH ON RESTRICTED ROTATION IN ADDUCTS OF TETRAMETHYLUREA AND 1,1-BIS(DIMETHYLAMINO)ETHYLENE [J]. CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 1976, 54 (07): : 1130 - 1134