- Formal synthesis of (±)-udoteatrial hydrate
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The formal synthesis of antimicrobial diterpene udoteatrial hydrate (1) is described in nine steps. Diol 6 used as starting material. The key intermediate 4 was obtained from bicyclic ketone 5 via the key Norrish type I reaction.
- Chang, Meng-Yang,Lin, Ching-Han,Chang, Nein-Chen
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- Preparation of Some Polycyclic Diamine Derivatives
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The preperation of 3,11-disubstituted-3,11-diazahexacyclo2,12.04,15.05,9.010,14>hexadecanes (3(X)) and the related pentacyclic compounds lacking the 2,12 C-C bond (4(X)) is reported.Included are 3(X) with X = H, Cl, CH3, NO, NH2, N(CH3)2, and N(CH2CH3)2 and 4(X) with X = H, CH3, NO, NH2, and N(CH3)2.Molecular mechanics calculations on 3(Me) and 4(Me) are discussed.
- Nelsen, Stephen F.,Willi, Mark R.
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