HETEROAROMATIC COMPOUNDS HAVING SPHINGOSINE-1-PHOSPHATE (S1P) RECEPTOR AGONIST BIOLOGICAL ACTIVITY
A novel compound having agonist activity at the S1P3 receptor which is represented by the formula I wherein X is selected from the group consisting of CR3, N and NO;Y is selected from the group consisting of CR3, N and NO;Z is selected from the group consisting of CR3, N and NO; and at least one of X, Y and Z is N or NO; V is O or NOR4 R1 is an aryl group;R2 is an aryl group;R3 is selected from the group consisting of H and alkyl; and 2 of said R3 groups may together form a cyclic alkyl ring having from 3 to 6 carbon atoms; R4 is selected from the group consisting of H and alkyl;a is 0 or an integer of from 1 to 6;b is 0 or 1;c is 0 or 1;f is 0 or an integer of 1 or 2;x is 0 or 1;y is 0 or an integer of from 1 to 3; andz is 0 or an integer of from 1 to 3.
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Page/Page column 20
(2008/06/13)
From phenols to azulenes: An extended and versatile route to polyalkylated azulenes with variable substitution patterns at the seven- and five-membered ring
Polyalkylated azulenes can easily be prepared from polyalkylphenyl propiolates which are transformed by dynamic gas phase thermo-isomerization (DGPTI) into polyalkylcyclohepta[b]furan-2(2H)-ones. The latter react thermally with enol ethers or enamines to the corresponding azulenes. The enamines may be generated in situ from corresponding aminals, especially, in cases where it is difficult to obtain the pure enamines due to their high re-activity.
Nagel, Matthias,Hansen, Hans-Jürgen
p. 692 - 696
(2007/10/03)
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