8-methylidene-1-phenyl-7,8-dihydro-1H-imidazo[1,2-a]-pyrazolo[4,3-e]pyrimidin-4(6H)-one

Base Information

Chemical Name:8-methylidene-1-phenyl-7,8-dihydro-1H-imidazo[1,2-a]-pyrazolo[4,3-e]pyrimidin-4(6H)-one
CAS No.:1331826-57-3
Molecular Formula:C₁₄H₁₁N₅O
Molecular Weight:265.274
Hs Code.:

Synonyms:8-methylidene-1-phenyl-7,8-dihydro-1H-imidazo[1,2-a]-pyrazolo[4,3-e]pyrimidin-4(6H)-one

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Chemical Property of 8-methylidene-1-phenyl-7,8-dihydro-1H-imidazo[1,2-a]-pyrazolo[4,3-e]pyrimidin-4(6H)-one

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Technology Process of 8-methylidene-1-phenyl-7,8-dihydro-1H-imidazo[1,2-a]-pyrazolo[4,3-e]pyrimidin-4(6H)-one

There total 3 articles about 8-methylidene-1-phenyl-7,8-dihydro-1H-imidazo[1,2-a]-pyrazolo[4,3-e]pyrimidin-4(6H)-one 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: 77.0%

: 1331826-50-6
8-iodomethyl-1-phenyl-7,8-dihydro-1H-imidazo[1,2-a]-pyrazolo[4,3-e]pyrimidin-4(6H)-one

: 1331826-57-3
8-methylidene-1-phenyl-7,8-dihydro-1H-imidazo[1,2-a]-pyrazolo[4,3-e]pyrimidin-4(6H)-one

Guidance literature:: With sodium acetate; In dimethyl sulfoxide; at 60 ℃; for 1h;
DOI:10.1134/S1070428011070165

Reference yield:

: 6288-99-9
6-chloro-1-phenyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

: 1331826-57-3
8-methylidene-1-phenyl-7,8-dihydro-1H-imidazo[1,2-a]-pyrazolo[4,3-e]pyrimidin-4(6H)-one

Guidance literature:: Multi-step reaction with 3 steps

1.1: ethanol / 4 h / 90 - 100 °C / Sealed ampule

2.1: iodine; acetic acid / 24 h / 20 °C

2.2: 20 °C

3.1: sodium acetate / dimethyl sulfoxide / 1 h / 60 °C

With iodine; sodium acetate; acetic acid; In ethanol; dimethyl sulfoxide;
DOI:10.1134/S1070428011070165

Reference yield:

: 1219026-92-2
1-phenyl-6-(prop-2-en-1-ylamino)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one

: 1331826-57-3
8-methylidene-1-phenyl-7,8-dihydro-1H-imidazo[1,2-a]-pyrazolo[4,3-e]pyrimidin-4(6H)-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: iodine; acetic acid / 24 h / 20 °C

1.2: 20 °C

2.1: sodium acetate / dimethyl sulfoxide / 1 h / 60 °C

With iodine; sodium acetate; acetic acid; In dimethyl sulfoxide;
DOI:10.1134/S1070428011070165