N-[4-(4-Chloro-phenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydro-pyrano[2,3-c]pyrazol-6-yl]-formimidic acid ethyl ester

Base Information

• Chemical Name: N-[4-(4-Chloro-phenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydro-pyrano[2,3-c]pyrazol-6-yl]-formimidic acid ethyl ester
• CAS No.: 173438-67-0
• Molecular Formula: C₂₃H₁₉ClN₄O₂
• Molecular Weight: 418.882

Synonyms:N-[4-(4-Chloro-phenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydro-pyrano[2,3-c]pyrazol-6-yl]-formimidic acid ethyl ester

Chemical Property of N-[4-(4-Chloro-phenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydro-pyrano[2,3-c]pyrazol-6-yl]-formimidic acid ethyl ester

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Technology Process of N-[4-(4-Chloro-phenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydro-pyrano[2,3-c]pyrazol-6-yl]-formimidic acid ethyl ester

There total 1 articles about N-[4-(4-Chloro-phenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydro-pyrano[2,3-c]pyrazol-6-yl]-formimidic acid ethyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 82.0%

6-amino-4-(4-chlorophenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydropyrano[2,3-c]pyrazole (76973-35-8) + orthoformic acid triethyl ester (122-51-0) → N-[4-(4-Chloro-phenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydro-pyrano[2,3-c]pyrazol-6-yl]-formimidic acid ethyl ester (173438-67-0)

Guidance literature:

With acetic anhydride; for 5h; Heating;

Reference yield: 89.0%

N-[4-(4-Chloro-phenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydro-pyrano[2,3-c]pyrazol-6-yl]-formimidic acid ethyl ester (173438-67-0) → 4-(4-Chloro-phenyl)-3-methyl-1-phenyl-1,4-dihydro-9-oxa-1,2,6,8-tetraaza-cyclopenta[b]naphthalen-5-ylamine

Guidance literature:

With ammonia; In methanol; for 1h; Ambient temperature;

Reference yield: 88.0%

N-[4-(4-Chloro-phenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydro-pyrano[2,3-c]pyrazol-6-yl]-formimidic acid ethyl ester (173438-67-0) → 4-(4-Chloro-phenyl)-5-imino-3-methyl-1-phenyl-1,4-dihydro-5H-9-oxa-1,2,6,8-tetraaza-cyclopenta[b]naphthalen-6-ylamine (173438-73-8)

Guidance literature:

With hydrazine hydrate; In ethanol; for 1h;

upstream raw materials:

6-amino-4-(4-chlorophenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydropyrano[2,3-c]pyrazole

orthoformic acid triethyl ester

Downstream raw materials:

4-(4-Chloro-phenyl)-5-imino-3-methyl-1-phenyl-1,4-dihydro-5H-9-oxa-1,2,6,8-tetraaza-cyclopenta[b]naphthalen-6-ylamine

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