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Water → 3-(Phosphonooxy)propyl 1-ethyl-6-{6-[(ethylcarbamoyl)amino]-4-[4-(trifluoromethyl)-1,3-thiazol-2-yl]pyridin-3-yl}-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate

HRID 1047123
Notes
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Reaction equation

HRID 1047123 reaction equation
[CH2:1]([N:3]1[C:12]2[C:7](=[CH:8][C:9]([C:13]3[CH:14]=[N:15][C:16]([NH:28][C:29](=[O:33])[NH:30][CH2:31][CH3:32])=[CH:17][C:18]=3[C:19]3[S:20][CH:21]=[C:22]([C:24]([F:27])([F:26])[F:25])[N:23]=3)=[CH:10][N:11]=2)[C:6](=[O:34])[C:5]([C:35]([O:37][CH2:38][CH2:39][CH2:40][O:41][P:42]([O:52]CC2C=CC=CC=2)([O:44]CC2C=CC=CC=2)=[O:43])=[O:36])=[CH:4]1)[CH3:2].C[Si](Br)(C)C.O>ClCCl.CO>[CH2:1]([N:3]1[C:12]2[C:7](=[CH:8][C:9]([C:13]3[CH:14]=[N:15][C:16]([NH:28][C:29](=[O:33])[NH:30][CH2:31][CH3:32])=[CH:17][C:18]=3[C:19]3[S:20][CH:21]=[C:22]([C:24]([F:27])([F:26])[F:25])[N:23]=3)=[CH:10][N:11]=2)[C:6](=[O:34])[C:5]([C:35]([O:37][CH2:38][CH2:39][CH2:40][O:41][P:42]([OH:44])([OH:52])=[O:43])=[O:36])=[CH:4]1)[CH3:2]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 962WaterHCID 76113BromotrimethylsilaneHCID 687463213-{[Bis(benzyloxy)phosphoryl]oxy}propyl 1-ethyl-6-{6-[(ethylcarbamoyl)amino]-4-[4-(trifluoromethyl)-1,3-thiazol-2-yl]pyridin-3-yl}-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate

Product 1

HCID 687478433-(Phosphonooxy)propyl 1-ethyl-6-{6-[(ethylcarbamoyl)amino]-4-[4-(trifluoromethyl)-1,3-thiazol-2-yl]pyridin-3-yl}-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate
Yield 41.7%

Reagents, catalysts & solvents 2

HCID 887MethanolSolventHCID 6344DichloromethaneSolvent

Conditions

Temperature
0 °C

Procedure

3-{[Bis(benzyloxy)phosphoryl]oxy}propyl 1-ethyl-6-{6-[(ethylcarbamoyl)amino]-4-[4-(trifluoromethyl)-1,3-thiazol-2-yl]pyridin-3-yl}-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate (Example 21, 700 mg, 0.82 mM) was dissolved in dry dichloromethane (40 mL), and the reaction mixture was cooled to 0° C. Trimethylsilyl bromide (251 mg, 1.64 mmol) was added and the mixture was stirred for 16 h at room temperature. A solid formed on the walls of round bottom flask. The solvent was decanted and the solid was washed with ethyl acetate (30 mL) to give crude compound. The crude compound was dissolved in methanol (20 mL) and water (30 mL) was added to precipitate the product which was filtered and dried to afford 230 mg (35%) of 3-(phosphonooxy)propyl 1-ethyl-6-{6-[(ethylcarbamoyl)amino]-4-[4-(trifluoromethyl)-1,3-thiazol-2-yl]pyridin-3-yl}-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate.

Workup

  1. customA solid formed on the walls of round bottom flask
  2. customThe solvent was decanted
  3. washthe solid was washed with ethyl acetate (30 mL)
  4. customto give crude compound
  5. customto precipitate the product which
  6. filtrationwas filtered
  7. customdried

Sources & evidence

ORD record
ord-5973762b95c949fb848785701b03830b
Source dataset
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08569484B2

Reaction notes

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