Pfizer Corporation

Alpay Dermenci

Matthew Frank Brown

Matthew Merrill Hayward

Li Huang Xing

Dafydd Rhys Owen

Stephen Wayne Wright

Brian Stephen Gerstenberger

Xiaojing Yang

Andrew Fensome

A compound having the structure: or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate of said compound or pharmaceutically acceptable salt, wherein A, A' and A″ are independently O, C═O, C—R′ or N—R″, where R′ and R″ may independently be H, amino, —NRCOR, COR, —CONRR, C-Calkyl, or hydroxy(C-Calkyl), and R″ may be present or absent, and is present where the rules of valency permit, and where not more than one of A, A′ and A″ is O or C═O; Rand R are independently H, Br, Cl, F, or C-Calkyl; Ris H, C-Calkyl, or hydroxy(C-Calkyl); Ris selected from the group consisting of H, C-Calkyl, C-Calkoxy, hydroxy(C-Calkyl), phenyl(C-Calkyl), formyl, heteroaryl, heterocyclic, —COR, —OCOR, —COOR, —NRCOR, —CONRR, and —(CH)—W, where W is cyano, hydroxy, C-Ccycloalkyl, —SONRR, and —SO—R, where Ris C-Calkyl, C-Ccycloalkyl, heteroaryl, or heterocyclic; wherein each of said alkyl, cycloalkyl, heterocyclic, or heteroaryl may be unsubstituted or substituted by halo, cyano, hydroxy, or C-Calkyl; X is C—Ror N, where Rmay be H or C-Calkyl; Rand Rare independently H, amino, C-Calkyl, or hydroxy(C-Calkyl); R, Rand Rare each independently H, C-Calkyl, C-Calkoxy(C-Calkyl), or C-Ccycloalkyl, said C-Calkyl is optionally substituted by halo, CN or hydroxy; or, Rand Rtogether with the atom bonded thereto form a 5- or 6-membered ring, said ring being optionally substituted by halo, hydroxy, CN, or C-Calkyl; and, n is 0, 1, 2 or 3. Also provided are methods of treatment as Janus Kinase inhibitors and pharmaceutical compositions containing the compounds of the invention and combinations thereof with other therapeutic agents.

Pyrazolo[1,5-a]pyrazin-4-yl derivatives

There is a method for treating a psoriasis. A compound is administered in a therapeutically effective amount to a subject suffering therefrom. The compound has the structure or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate thereof.

A compound compound having the structure: or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate of said compound or pharmaceutically acceptable salt, wherein A, A' and A&#x2033; are independently O, C&#x2550;O, C&#x2014;R&#x2032; or N&#x2014;R&#x2033;, where R&#x2032; and R&#x2033; may independently be H, amino, &#x2014;NRCOR, COR, &#x2014;CONRR, C-Calkyl, or hydroxy(C-Calkyl), and R&#x2033; may be present or absent, and is present where the rules of valency permit, and where not more than one of A, A&#x2032; and A&#x2033; is O or C&#x2550;O; Rand R are independently H, Br, Cl, F, or C-Calkyl; Ris H, C-Calkyl, or hydroxy(C-Calkyl); Ris selected from the group consisting of H, C-Calkyl, C-Calkoxy, hydroxy(C-Calkyl), phenyl(C-Calkyl), formyl, heteroaryl, heterocyclic, &#x2014;COR, &#x2014;OCOR, &#x2014;COOR, &#x2014;NRCOR, &#x2014;CONRR, and &#x2014;(CH)&#x2014;W, where W is cyano, hydroxy, C-Ccycloalkyl, &#x2014;SONRR, and &#x2014;SO&#x2014;R, where Ris C-Calkyl, C-Ccycloalkyl, heteroaryl, or heterocyclic; wherein each of said alkyl, cycloalkyl, heterocyclic, or heteroaryl may be unsubstituted or substituted by halo, cyano, hydroxy, or C-Calkyl; X is C&#x2014;Ror N, where Rmay be H or C-Calkyl; Rand Rare independently H, amino, C-Calkyl, or hydroxy(C-Calkyl); R, Rand Rare each independently H, C-Calkyl, C-Calkoxy(C-Calkyl), or C-Ccycloalkyl, said C-Calkyl is optionally substituted by halo, CN or hydroxy; or, Rand Rtogether with the atom bonded thereto form a 5- or 6-membered ring, said ring being optionally substituted by halo, hydroxy, CN, or C-Calkyl; and, n is 0, 1, 2 or 3. Also provided are methods of treatment as Janus Kinase inhibitors and pharmaceutical compositions containing the compounds of the invention and combinations thereof with other therapeutic agents.

A compound having the structure: or a pharmaceutically acceptable salt thereof, wherein A, A' and A&#x2033; are independently O, C&#x2550;O, etc.; Rand R are independently H, Br, Cl, F, or C-Calkyl; Ris H, C-Calkyl, or hydroxy(C-Calkyl); Ris selected from the group consisting of H, C-Calkyl, C-Calkoxy, etc.; R, Rand Rare each independently H, C-Calkyl, C-Calkoxy(C-Calkyl), etc.; and, n is 0, 1, 2 or 3. Also provided are methods of treatment as Janus Kinase inhibitors and pharmaceutical compositions containing the compounds of the invention and combinations thereof with other therapeutic agents.

Growing community of inventors

East Lyme, CT, United States of America

Alpay Dermenci