Synthesis of structure analogues of thromboxane A2
โ Scribed by M.F. Ansell; M.P.L. Caton; M.N. Palfreyman; K.A.J. Stuttle
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- French
- Weight
- 117 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0040-4039
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โฆ Synopsis
AnaloguesI of thromboxane A2 (TXA2) in which the ether linkages are replaced by carbon groupings have been synthesised by elaboration of a connnercially available pinene derivative IIb.
๐ SIMILAR VOLUMES
The reactions of the Z-alkoxyoxetane 5 with sodium azide and methanol yield the a-azidoether 7 and the dimethyl acetal S, respectively, paralleling reactions reported for TXA2. The hydrolysis of 5 reported by Bruice to involve general acid catalysis proceeds at a rate similar to that reported for T
A synthesis of nitrogen containing thromboxane A2 analog, c-(9,11)methano-(11,12)-amino thromboxane A2 (a is described. Thromboxane A2 (TXA~) 1s an extremely unstable substance possessing very important biological actlvltles (platelet aggregation and vasoconstrlctlon).
A simple synthetic route, which appears to have some general utility, has been used to obtain a Bicyclo[2.2.l]heptane analogue of Thromboxane A2. Thromboxane A2 (TXA2), an unstable metabolite of arachidonic acid in platelets,
The thromboxane A2 analog, dl-(9,11),( 11,12)-dideoxa-(9,11),(11,12)dimethylene thromboxane A2 (TX A2) has been synthesized; the compound showed high agonist activities on platelet aggregation and the aorta contracting activities. In 1975, Samuelsson et al. discovered a new family of arachidonic aci