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Pyridine → 4-(2-Thienyl)-2-indanyl cis-3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate

HRID 1164216
Notes
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Reaction equation

HRID 1164216 reaction equation
[S:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[C:6]1[CH:14]=[CH:13][CH:12]=[C:11]2[C:7]=1[CH2:8][CH:9]([OH:15])[CH2:10]2.N1C=CC=CC=1.[Cl:22][C:23]([C:33]([F:36])([F:35])[F:34])=[CH:24][C@@H:25]1[C@H:27]([C:28](Cl)=[O:29])[C:26]1([CH3:32])[CH3:31]>C1(C)C=CC=CC=1>[Cl:22][C:23]([C:33]([F:34])([F:35])[F:36])=[CH:24][C@@H:25]1[C@H:27]([C:28]([O:15][CH:9]2[CH2:8][C:7]3[C:11](=[CH:12][CH:13]=[CH:14][C:6]=3[C:2]3[S:1][CH:5]=[CH:4][CH:3]=3)[CH2:10]2)=[O:29])[C:26]1([CH3:32])[CH3:31]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 1049PyridineHCID 131024634-(2-Thienyl)-2-indanolHCID 86737382cis-3-(2-Chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarbonyl chloride

Product 1

HCID 867387454-(2-Thienyl)-2-indanyl cis-3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylateYield 43.1%

Reagents, catalysts & solvents 1

HCID 1140
Toluene
Solvent
2×

Procedure

A stirred solution of 0.54 g (0.003 mole) of 4-(2-thienyl)-2-indanol and 0.25 g (0.003 mole) of pyridine in 15 mL of toluene was cooled to 5° C., and 0.65 g (0.003 mole) of cis-3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarbonyl chloride in 5 mL of toluene was added dropwise. Upon complete addition, the reaction mixture was allowed to warm to ambient temperature where it was stirred for 16 hours. The reaction mixture was filtered, and the filtrate concentrated under reduced pressure to give an oil residue. The oil was subjected to column chromatography on silica gel, eluting with 100% hexane then 1% ethyl acetatehexane. The appropriate fractions were combined and concentrated under reduced pressure to give 0.57 g of 4-(2-thienyl)-2-indanyl cis-3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate as an oil.

Workup

  1. additionUpon complete addition
  2. filtrationThe reaction mixture was filtered
  3. concentrationthe filtrate concentrated under reduced pressure
  4. customto give an oil residue
  5. washeluting with 100% hexane
  6. concentrationconcentrated under reduced pressure

Sources & evidence

ORD record
ord-baf626c8dd11473285e8a40073c0d0c6
Source dataset
uspto-grants-1983_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04368205

Reaction notes

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