Electrophilic and nucleophilic substitution in oxazolo[3,2-f]xanthines
โ Scribed by S. N. Garmash; E. A. Skul'skaya; B. A. Priimenko; N. A. Klyuev
- Publisher
- Springer US
- Year
- 1990
- Tongue
- English
- Weight
- 271 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0009-3122
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
Base hydrolysis reactions of [Cr(tmpa)(NCSe)] 2 O 2ฯฉ , [Cr(tmpa)(N 3 )] 2 O 2ฯฉ , and follow the pseudo-first-4ฯฉ 2ฯฉ [Cr (tmpa) (ฯชO)(ฯชPhPO )] [ Cr (tmpa) (ฯชO)(ฯชCO )] 2 2 4 2 2 3 order relationship (excess OH ฯช ): For the com- obsd o b p p 3 plex, ฯช2 ฯช1 k (60ะC) ฯญ (1.50 ฯฎ 0.03) ฯซ 10 s ; โฌH โก ฯญ 61 ฯฎ
## Abstract Compared to homoaromatic and aliphatic nucleophilic radiofluorinations, only few references can be found in the literature describing nucleophilic substitutions with [^18^F]fluoride ion of heteroaromatic compounds such as pyridines and only reactions involving fluorination processes at