US2020369611A1PendingUtilityA1
Intermediate compounds and methods
Est. expiryAug 1, 2037(~11.1 yrs left)· nominal 20-yr term from priority
Inventors:Phouvieng BeyerJason BrazzilloMagnus ErikssonJon Charles LorenzLaurence J. NummySonia RodriguezJolaine SavoieKanwar Pal Singh SidhuJoshua Daniel SieberThomas G. TamponeZhulin TanJune WangLi Zhang
C07D 487/10C07D 209/54
57
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Claims
Abstract
The present invention relates to compounds of (II) and an acceptable salt or hydrate thereof method of making same.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1 . A compound of formula (II):
wherein R3 is chosen from hydrogen, halogen, halo C1-4 alkyl, C1-4 alkyl, C1-4 alkoxy, —CN, halo C1-4 alkoxy, acyl, acyloxy, alkylaryl or cycloalkyl; and R4 is hydrogen, halogen, halo C1-4 alkyl, C1-4 alkyl, C1-4 alkoxy, aryloxy, cycloalkyl, alkylaryl; or an acceptable salt or hydrate thereof.
2 . A method making the compound of formula (II),
comprising the steps of:
(i) Converting a compound of formula F to a compound of formula F1
(ii) Coupling of a compound of formula F1 with compound F2
to derive a compound of formula F7,
(iii) Convert the compound of formula F7 to a compound of Formula (II)
wherein R3 is chosen from hydrogen, halogen, halo C1-4 alkyl, C1-4 alkyl, C1-4 alkoxy, —CN, halo C1-4 alkoxy, acyl, acyloxy, alkylaryl or cycloalkyl; and R4 is hydrogen, halogen, halo C1-4 alkyl, C1-4 alkyl, C1-4 alkoxy, aryloxy, cycloalkyl, alkylaryl; or an acceptable salt or hydrate thereof.Cited by (0)
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