The \*H, '% and 31P NMR data of several Z-R-2-thiono-1,3-dioxa organophosphorus molecules with 7-membered rings [R = 43, OC6H,, C,H,, CH3, N(CH,),] are reported. The conformation of the 7-membered ring is discussed by reference to the 'J(P0CH) coupling constants which are compared with those observe
β¦ LIBER β¦
Organophosphorus compounds. XX. Approaches to the synthesis of 2,3-Dihydro-1H-1,2-benzazaphospholes involving C-C and C-P ring closure
β Scribed by Collins, DJ; Drygala, PF; Swan, JM
- Book ID
- 115510678
- Publisher
- Commonwealth Scientific and Industrial Research Organisation Publishing
- Year
- 1984
- Tongue
- English
- Weight
- 716 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0004-9425
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## Abstract Two benzodiazepines, Diazepam and Flunitrazepam, labeled with carbonβ14 in position 5 of the diazepine ring have been synthesized. Use of a condensation between iminochlorides and ^14^Cβbenzonitriles, followed by exhaustive methylation of the resulting quinazolines and hydrolyses is des