tert-butyl 2-(Methylsulfonyl)-4,6-dihydropyrrolo[3,4-c]pyrazole-5(2H)-carboxylate
tert-butyl 2-(Methylsulfonyl)-4,6-dihydropyrrolo[3,4-c]pyrazole-5(2H)-carboxylate Basic information
- Product Name:
- tert-butyl 2-(Methylsulfonyl)-4,6-dihydropyrrolo[3,4-c]pyrazole-5(2H)-carboxylate
- Synonyms:
-
- tert-butyl 2-(Methylsulfonyl)-4,6-dihydropyrrolo[3,4-c]pyrazole-5(2H)-carboxylate
- 2-(Methylsulfonyl)-2,6-dihydropyrrolo[3,4-c]pyrazole-5(4H)-carboxylic acid tert-butyl ester
- tert-butyl 2-methanesulfonyl-2H,4H,5H,6H-pyrrolo[3,4-c]pyrazole-5-carboxylate
- Omarigliptin Impurity 10
- MK-3103 Intermediate IV
- tert-butyl 2-(methylsulfonyl)-2,6-dihydropyrrolo[3,4-c]pyrazole-5(4H)-carboxylate
- Pyrrolo[3,4-c]pyrazole, 2,4,5,6-tetrahydro-2-(methylsulfonyl)-, benzenesulfonate
- Omarigliptin Intermediate 3
- CAS:
- 1226781-82-3
- MF:
- C11H17N3O4S
- MW:
- 287.34
- Product Categories:
-
- Omarigliptin intermediate
- Mol File:
- 1226781-82-3.mol
tert-butyl 2-(Methylsulfonyl)-4,6-dihydropyrrolo[3,4-c]pyrazole-5(2H)-carboxylate Chemical Properties
- Boiling point:
- 441.1±55.0 °C(Predicted)
- Density
- 1.40±0.1 g/cm3(Predicted)
- storage temp.
- 2-8°C
- pka
- -1.95±0.20(Predicted)
tert-butyl 2-(Methylsulfonyl)-4,6-dihydropyrrolo[3,4-c]pyrazole-5(2H)-carboxylate Usage And Synthesis
Chemical Properties
white solid
Uses
Tert-butyl 2-(Methylsulfonyl)-4,6-dihydropyrrolo[3,4-c]pyrazole-5(2H)-carboxylate is an important organic reagent that can be used as a building block for the synthesis of many organic compounds, such as 2-(methylsulfonyl)-2,4,5,6-tetrahydropyrrolo[3,4-c]pyrazole. It is an important intermediate of Omarigliptin.
Synthesis
Tert-butyl 4,6-dihydropyrrolo[3,4-c]pyrazole-5(2H)-carboxylate (3.5 g, 16.7 mmol) was dissolved in tetrahydrofuran (35 ml), and sodium hydride (1.0 g, 60%, 25.4 mmol) was added at 0°C, followed by reaction for 30 min. Methylsulfonyl chloride (2.9 g, 25.4 mmol) was added, followed by a reaction for 1 hour. The reaction was quenched by the addition of water (10 ml) to the reaction solution, which was extracted with ethyl acetate (50 ml*2). The organic layers were combined, dried over anhydrous sodium sulfate, concentrated, and purified by silica gel column chromatography (petroleum ether/ethyl acetate (v/v) = 1:1), to obtain tert-butyl 2-(Methylsulfonyl)-4,6-dihydropyrrolo[3,4-c]pyrazole-5(2H)-carboxylate (2.1 g, yield 44%).
tert-butyl 2-(Methylsulfonyl)-4,6-dihydropyrrolo[3,4-c]pyrazole-5(2H)-carboxylateSupplier
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