N-(5-(phenylamino)penta-2,5-dienylidene)aniline monohydrochloride → 2-[6-anilino-1,3,5-hexatrienyl]-4,6-diiodo-1,3,3-trimethyl-3H-indolium iodide

HRID 403613

Reaction equation

HRID 403613 reaction equation
[I-].[I:2][C:3]1[CH:11]=[C:10]([I:12])[CH:9]=[C:8]2[C:4]=1[C:5]([CH3:16])([CH3:15])[C:6]([CH3:14])=[N+:7]2[CH3:13].Cl.[C:18]1([NH:24][CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=NC2C=CC=CC=2)[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=1>C(OC(=O)C)(=O)C>[I-:2].[NH:24]([CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=[CH:14][C:6]1[C:5]([CH3:16])([CH3:15])[C:4]2[C:8](=[CH:9][C:10]([I:12])=[CH:11][C:3]=2[I:2])[N+:7]=1[CH3:13])[C:18]1[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=1

Participants

4

Reactant 2

HCID 73902N-(5-(phenylamino)penta-2,5-dienylidene)aniline monohydrochlorideHCID 866953314,6-diiodo-1,2,3,3-tetramethyl-3H-indolium iodide

Product 1

HCID 866953412-[6-anilino-1,3,5-hexatrienyl]-4,6-diiodo-1,3,3-trimethyl-3H-indolium iodide

Reagents, catalysts & solvents 1

HCID 7918Acetic AnhydrideSolvent

Procedure

100 mg (0.18 mmol) of 4,6-diiodo-1,2,3,3-tetramethyl-3H-indolium iodide and 51 mg (0.18 mmol) of N-[5-(phenylamino)-2,4-pentadienylidene]aniline monohydrochloride were stirred in 2 mL of acetic anhydride at 110-120° C. for 15 min. After cooling the product was precipitated with ether, filtered off and washed with ether. Yield: 67 mg (53%). λmax (abs) 483 nm (methanol). This product was used for following step without additional purification.

Workup

  1. temperatureAfter cooling the product
  2. customwas precipitated with ether
  3. filtrationfiltered off
  4. washwashed with ether
  5. customwithout additional purification

Sources & evidence

ORD record
ord-b69a77ffa2634595b9ed29fb3687e7ab
Source dataset
uspto-grants-2014_06
Patent number
US08748446B2

Linked notes

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