The t a r g e t compound, 1-([ Br1bromo)estradlol (la), was prepared i n t h r e e steps from 4-amlnoestradlol 3-methyl ether (2). E l e c t r o p h l l l c bromlnatlon o f 2 w l t h I n s l t u generated 7 7 B r C l f o l l o w e d by deamlnatlon I n t h e same r e a c t i o n m i x t u r e gave 1-
Radiolabeling of the B- and C-ring of estradiol using no-carrier-added bromine-77
โ Scribed by Mark D. Hylarides; Alberto A. Leon; Fred A. Mettler; D. Scott Wilbur
- Publisher
- John Wiley and Sons
- Year
- 1985
- Tongue
- French
- Weight
- 316 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0022-2135
No coin nor oath required. For personal study only.
โฆ Synopsis
Two e s t r a d l o l d e r i v a t i v e s , A6and A -e s t r a d i o l 3-acetate (1) and (2) were prepared and allowed t o r e a c t u l t h Na Br and N-chlorosucclnlmlde (NCS) I n methanol. The r a p l d a d d l t l o n o f 778r-OCH3 t o t h e 8-rtng and C-rlng double bonds
๐ SIMILAR VOLUMES
## Abstract A straightforward radiobromination procedure has been developed for the construction of radiobrominated alkenyl and alkynyl bromides. The organotrifluoroborates used as the reactive intermediates are unique in that they are quite polar and thus readily separated from the desired product