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Chemical Structure| 906093-30-9 Chemical Structure| 906093-30-9

Structure of 906093-30-9

Chemical Structure| 906093-30-9

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Product Details of [ 906093-30-9 ]

CAS No. :906093-30-9
Formula : C16H22N4O2
M.W : 302.38
SMILES Code : CC1=NN(C2=CC=CC=C2)C(N3CCNCC3)=C1.CC(O)=O

Safety of [ 906093-30-9 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P280-P301+P312-P302+P352-P305+P351+P338

Application In Synthesis of [ 906093-30-9 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 906093-30-9 ]

[ 906093-30-9 ] Synthesis Path-Downstream   1~3

  • 1
  • [ 401564-36-1 ]
  • [ 906093-30-9 ]
  • Teneligliptin hydrobromide [ No CAS ]
YieldReaction ConditionsOperation in experiment
91% (1) To a suspension of sodium triacetoxyborohydride (13.68 kg) in toluene (300 L) were added 1-[4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazine acetate (15.00 kg) and 3-[(2S)-1-(1,1-dimethylethyloxycarbonyl)-4-oxopyrrolidin-2-ylcarbonyl] thiazolidine (14.90 kg), and the mixture was stirred at room temperature for 2.5 hrs. Water (90 L) was added dropwise to the reaction mixture and the mixture was stirred for 0.5 hr. The toluene layer was separated, washed successively with 5% aqueous sodium hydrogencarbonate solution (90 L) and water (90 L) and concentrated to dryness under reduced pressure. IPA (224 L) was added to the residue and 48% hydrobromic acid (25.08 kg) was added dropwise at about 80C, and the mixture was refluxed for 2.5 hrs. The reaction mixture was allowed to cool, and stirred at about 60C for 1.5 hrs, at about 40C for 2 hrs, and then at room temperature for 2 hrs. The precipitate was collected by filtration, washed with IPA (30 L) and dried with warm air to give the title compound as a solid (29.76 kg, yield 91%). (2) To the solid (28.00 kg) obtained in (1) was added ethanol (168 L), and the solid was dissolved by heating. The solution was filtered hot. The reaction vessel was washed with ethanol (28 L), and the filtrate and washing were combined. Water (3 L) was added at 67C, and the mixture was allowed to cool and stirred at 49C for 1 hr and then at 20-15C for 1 hr. The precipitate was collected by filtration, washed with ethanol (28 L) and dried with warm air to give the title compound as crystals (25.84 kg, yield 92%). XRD: 5.4, 13.4, 14.4, 22.6, 26.5.
  • 2
  • [ 401564-36-1 ]
  • [ 906093-30-9 ]
  • [ 401566-80-1 ]
YieldReaction ConditionsOperation in experiment
With sodium tris(acetoxy)borohydride; In toluene; at 5 - 25℃; for 3h; A solution of sodium triacetoxy borohydride (98.8 g) in toluene (300 mL) was added to a mixture of fert-butyl (2
With sodium tris(acetoxy)borohydride; In toluene; at 5 - 25℃; for 3h; A solution of sodium triacetoxy borohydride (98.8 g) in toluene (300 mL) was added to a mixture of tert-butyl (2S)-4-oxo-2-( i ,3 -thiazolidin-3 -ylcarbonyl)pyrrolidine- i -carboxylate (Formula VI, prepared according to Example 3; iOO g) and i-(3-methyl-i- phenyl-iH-pyrazol-5-yl)piperazine acetate (Formula VII; iOO.7 g) in toluene (800 mL) at 5C to iOC. The reaction mixture was stirred at 20C to 25C for 3 hours. The progress of the reaction was monitored by HPLC. After the reaction was complete, the reaction mixture was quenched with deionized water (600 mL), and then stirred for iO minutes.The reaction mixture was allowed to settle for i 5 minutes. The organic layer was separated, then washed with aqueous sodium bicarbonate (60 g sodium bicarbonate in 600 mL deionized water). The organic layer was washed with deionized water (600 mL), then concentrated at 50C under reduced pressure to obtain a residue. The residue was dissolved in isopropyl alcohol (500 mL) to obtain a solution. The solution wasconcentrated at 50C under reduced pressure, and used as such in the next step.
  • 3
  • [ 401564-36-1 ]
  • [ 906093-30-9 ]
  • C27H38N6O3S*BrH [ No CAS ]
YieldReaction ConditionsOperation in experiment
Toluene (425 L) was added to 3-methyl-1-phenyl-5-(1-piperazinyl)pyrazole acetic acid (Compound 7a) (25.2kg) and <strong>[401564-36-1]3-[(2S)-1-tert-butoxycarbonyl-4-oxopyrrolidin-2-ylcarbonyl]thiazolidine</strong> (compound 9a) (25.0kg), and added sodium triacetoxyborohydride (23.0kg) in toluene (75 L) at 8C, and the mixture was stirred at 20 -28C 3 hours. water (150 L) was added to the reaction mixture, and the mixture was separated. The obtained toluene layer was washed successively with 5 w% aqueous sodium hydrogencarbonate solution (158 kg) and water (150 L), concentrated under reduced pressure and dried. 2-propanol (125 L) was added to the resulting residue, and the mixture was concentrated again under reduced pressure and dried. To the residue was added 2-propanol (375 L), the temperature was raised and 48 w% hydrobromic acid (42. 14 kg) was added dropwise at 75 C to 77 C and refluxed for 2. 5 hours. The reaction mixture was cooled and the seed crystals produced by sampling the reaction mixture were added at 58 C and the mixture was crystallized at 58 C for 1 hour and then crystallized at 33 C to 40 C for 1 hour and further Crystallize at 17 C -25 C for 1 hour and allow to stand overnight. The precipitated crystals were collected by filtration and washed with 2-propanol (50 L). The obtained crystals were dried with warm air (40 C -47 C) for 18 hours to produce 3 -{(2S,4S)-4-[4-(3-yl]piperazin-1-yl]pyrrolidin-2-ylcarbonyl}thiazolidine hydrobromide (50. 0 kg) as a crude product.
 

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