CA891506A - Process for preparation of 1h-imidazo(4,5-b) pyrazin-2-ones - Google Patents

Process for preparation of 1h-imidazo(4,5-b) pyrazin-2-ones

Info

Publication number
CA891506A
CA891506A CA891506A CA891506DA CA891506A CA 891506 A CA891506 A CA 891506A CA 891506 A CA891506 A CA 891506A CA 891506D A CA891506D A CA 891506DA CA 891506 A CA891506 A CA 891506A
Authority
CA
Canada
Prior art keywords
pyrazin
imidazo
ones
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA891506A
Inventor
W. Tristram Edward
J. Tull Roger
J. J. Grabowski Edward
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merck and Co Inc
Original Assignee
Merck and Co Inc
Publication date
Application granted granted Critical
Publication of CA891506A publication Critical patent/CA891506A/en
Expired legal-status Critical Current

Links

CA891506A Process for preparation of 1h-imidazo(4,5-b) pyrazin-2-ones Expired CA891506A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA891506T

Publications (1)

Publication Number Publication Date
CA891506A true CA891506A (en) 1972-01-25

Family

ID=36397613

Family Applications (1)

Application Number Title Priority Date Filing Date
CA891506A Expired CA891506A (en) Process for preparation of 1h-imidazo(4,5-b) pyrazin-2-ones

Country Status (1)

Country Link
CA (1) CA891506A (en)

Similar Documents

Publication Publication Date Title
CA1016544A (en) Process for the preparation of bicyclic derivatives of 1,4-dihydropyridine
CA989827A (en) Process for the preparation of 14-hydroxymorphinan derivatives
YU110480A (en) Process for preparing imidazo(4,5-b)pyridines
CA979449A (en) Process for the preparation of 1-hydroxy-2-pyridones
CA995682A (en) Process for the preparation of 3-cyanochromones
CA981665A (en) 9-desoxy-prosta-5,9(10),13-trienoic acid derivatives and process for their preparation
CA1013747A (en) 9h-pyrido/3,4-b/indole derivatives preparation process
CA1026756A (en) Process for preparing pyrido (2,3-d) pyrimidinethiones
AU472802B2 (en) Process for the preparation of 3-nitro-4-amino-toluene
AU471441B2 (en) Process for the preparation of 2-hydrazino-benzothiazoles
CA989868A (en) Process for the preparation of isopropylamines
AU5250273A (en) Process for the preparation of alpha-6-deoxytetracyclines
AU6230673A (en) Process for the preparation of thiazole-sulphenamides
CA993871A (en) Process for the preparation of certain indolobenzazepine derivatives
CA891506A (en) Process for preparation of 1h-imidazo(4,5-b) pyrazin-2-ones
CA1010453A (en) Process for the preparation of substituted benzimidazoles
CA1018182A (en) Process for the preparation of alkylene-bis-amides
CA992967A (en) Process for the preparation of eburnamonines
CA1001628A (en) Nitrofuryl-triazolo (4,3-b) pyridazine-amide derivatives and process for their preparation
CA891505A (en) 1h-imidazo(4,5-b)pyrazin-2-ones and process for preparing
CA1019097A (en) Process for the preparation of trans-polyalkenamers
CA999867A (en) Process for the preparation of 2h-3-isoquinolones
CA1005058A (en) Process for the preparation of unsymmetrically-substituted alkanolamino-s-triazines
YU175973A (en) Process for obtaining 1,8-naphthyridine derivatives
CA891503A (en) Process for the preparation of 5-substituted amino-6-chloro-1h-imidazo(4,5-b)pyrazin-2-ones