Technology Process of 4-((9-Cyclopentyl-7,7-difluoro-5-methyl-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-yl)amino)-2-fluoro-5-methoxy-N-(1-methylpiperidin-4-yl)benzamide
There total 10 articles about 4-((9-Cyclopentyl-7,7-difluoro-5-methyl-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-yl)amino)-2-fluoro-5-methoxy-N-(1-methylpiperidin-4-yl)benzamide 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:
- Guidance literature:
-
With
N-ethyl-N,N-diisopropylamine; HATU;
In
N,N-dimethyl-formamide;
at 20 ℃;
for 0.5h;
Product distribution / selectivity;
- Guidance literature:
-
4-amino-5-methoxy-2-fluoro-N-(1-methyl-piperidin-4-yl)-benzamide; 2-chloro-9-cyclopentyl-7,7-difluoro-5-methyl-5,7,8,9-tetrahydro-pyrimido[4,5-b][1,4]diazepin-6-one;
With
hydrogenchloride;
In
water; isopropyl alcohol;
at 83 ℃;
for 72h;
With
water; sodium hydrogencarbonate;
In
methanol;
at 0 - 20 ℃;
for 4h;
Product distribution / selectivity;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: sodium hydrogencarbonate / ethyl acetate / 18 h / 0 - 20 °C
2: iron; acetic acid / 2 h / 80 °C
3: caesium carbonate / N,N-dimethyl-formamide / 3 h / 20 °C
4: hydrogenchloride / ethanol; water / 18 h / Reflux
5: O-Benzotriazol-1-yl-N,N,N',N'-bis(tetramethylene)uronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 12 h / 20 °C
With
hydrogenchloride; iron; sodium hydrogencarbonate; O-Benzotriazol-1-yl-N,N,N',N'-bis(tetramethylene)uronium hexafluorophosphate; caesium carbonate; acetic acid; N-ethyl-N,N-diisopropylamine;
In
ethanol; water; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1016/j.bmcl.2011.11.052