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Synthesis of 2,4-Diamino-5,6,7,8,9,10-hexahydro-5,9-methanopyrimido[4,5- b ]azocine

โœ Scribed by Taylor, Edward C.; Dowling, James E.; Bhatia, Beena

Book ID
120057920
Publisher
American Chemical Society
Year
1999
Tongue
English
Weight
120 KB
Volume
64
Category
Article
ISSN
0022-3263

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ChemInform Abstract: Synthesis of 2,4-Di
ChemInform Abstract: Synthesis of 2,4-Diamino-5,6,7,8,9,10-hexahydro-5,9-methanopyrimido[4,5-b]azocine.
โœ Edward C. Taylor; James E. Dowling; Beena Bhatia ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 33 KB ๐Ÿ‘ 2 views

## Synthesis of 2,4- 6,7,8,9,9methanopyrimido[4,azocine. -Optimization of direct annulation of triaminopyrimidine (I) with cyclohexenone (II) is achieved using acetic acid as solvent in a screw-capped pressure tube that is heated at 120 โ€ข C for 18 hours. Compound (VII) as prototype, its derivative

ChemInform Abstract: Unexpected and Faci
ChemInform Abstract: Unexpected and Facile Bridgehead Substitution in 5,6,7,8,9,10-Hexahydro-5,9-methanopyrimido[4,5-b]azocin-4(3H)-ones.
โœ E. C. TAYLOR; J. E. DOWLING; T. SCHRADER; B. BHATIA ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 32 KB ๐Ÿ‘ 1 views

Unexpected and Facile Bridgehead Substitution in 5,6,7,8,9, azocin-4(3H)-ones. -A method for the reductive removal of the bridgehead hydroxyl group in title compound (III) is developed. A bridgehead imine intermediate is proposed to be involved in the formation of thioether (VII). The protected tr