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Chemical Structure| 154357-40-1 Chemical Structure| 154357-40-1

Structure of 154357-40-1

Chemical Structure| 154357-40-1

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Product Details of [ 154357-40-1 ]

CAS No. :154357-40-1
Formula : C14H11F2NO3
M.W : 279.24
SMILES Code : O=C(C1=CN2C3=C(C=C(F)C(F)=C3CC[C@@H]2C)C1=O)O
English Name :(S)-8,9-difluoro-5-methyl-1-oxo-6,7-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-2-carboxylic acid

Safety of [ 154357-40-1 ]

Application In Synthesis of [ 154357-40-1 ]

* 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 [ 154357-40-1 ]

[ 154357-40-1 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 131190-82-4 ]
  • [ 154357-40-1 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1: 97 percent / sodium acetate, H2 / 5percent Pd/C / aq. acetic acid / 50 °C / 760 - 3800 Torr 3: 2.) PPA, 3.) aq. HCl
  • 2
  • [ 951163-61-4 ]
  • [ 154357-40-1 ]
  • [ CAS Unavailable ]
YieldReaction ConditionsOperation in experiment
Stage #1: (3S,5S)-3-(tert-butoxycarbonylamino)-5-methylpiperidine; 9,10-difluoro-2,3-dihydro-3S-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid With triethylamine In 1-methyl-pyrrolidin-2-one at 80℃; for 18h; Stage #2: With hydrogenchloride In 1-methyl-pyrrolidin-2-one; water at 0℃; Stage #3: With hydrogenchloride In ethanol; water at 20℃; for 18h; 13 Example 13; [7- [3S-AMINO-5S-METHYL-PIPERIDINYL]-9-FLUORO-2, 3-DIHYDRO-3S-METHYL-7-OXO-7H-PYRIDO [L,] 2,3- de]-1, 4-benzoxazine-6-carboxylic acid hydrochloride. 9,10-difluoro-2, 3-dihydro-3S-methyl-7-oxo-7H-pyrido [[ 1,] 2, [3-DE]-1,] 4-benzoxazine-6-carboxylic acid (Precursor F) (0.056 g, 0.199 mmol), (5 (S) -methyl-piperidin-3 (S) -yl)-carbamic acid tert- butyl ester (Precursor M) (0.045 g, 0.201 mmol) and triethylamine (0.075 mL, 0. [538] mmol) are dissolved in N-methyl-pyrrolidone (1 mL). The solution is stirred at [80C] for 18 hours and is poured into an ice/water mixture. The pH is lowered to 2 using dilute [HC1] and the resulting precipitate is collected by filtration. The solid is suspended in ethanol and 6N HCl is added. After 18 hr at room temperature, the desired product is collected by filtration and air dried.
 

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