6-isobutyrylaminopurine: A convenient building block for the synthesis of carbocyclic adenosine analogs
β Scribed by Jinglan Zhou; Kamal Bouhadir; Thomas R. Webb; Philip B. Shevlin
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- French
- Weight
- 155 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
Readily available 6-isobutyrylaminopurine can replace either a primary or secondary OH group under Mitsunobu conditions and provide an effkient synthesis of carbocyclic analogs of adenosine. X-my data indicates that only tbe desired @-substituted derivatives of adenine are formed.
π SIMILAR VOLUMES
## Abstract (+)β(1__R__,4__R__)βBicyclo[2.2.1]heptβ5βenβ2βone (7) was prepared in 78.5% yield by oxidative degradation of (+)β(1__R__)β__endo__βbicyclo[2.2.1]heptβ5βeneβ2βcarboxylic acid (4) by using an improved procedure for the oxidation of the dianion of 4 with dioxygen. Dihydroxylation of 7 wit