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Unsaturated acids and macrocyclic lactones
1. A method of synthesizing compounds with the neomethynolide skeleton is described.
2. Compounds allied to neomethymycin were synthesized which have...
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Sauerstoff
Wasserstoffperoxid wurde im Jahre 1818 von L.-J. Thenard (Ann. Chim. Phys. [2] 8 [1818] 306/13) entdeckt und noch im selben Jahr als „oxydiertes...in Sauerstoff -
Wolfram
Der Name Wolfrani, ursprünglich ein Schmähwort, ist abgeleitet von dem Raubtier Wolf; denn das Mineral, meist ein Begleiter der Zinnerze, behindert... -
The Pyrrolizidine Alkaloids. II
Ten years have elapsed since the pyrrolizidine alkaloids were reviewed in this series (387), and it is a not much shorter period since they formed... -
The Pseudoguaianolides
The term “pseudoguaianolide” has been applied to a rapidly increasing number of sesquiterpene lactones whose common feature is an abnormal guaiane... -
Fluorinated Compounds as Chemical Reagents
Several fluorinated compounds react only transiently with organic substrates and do not participate in forming the final products. One of the most...