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Sodium Dichromate → 9H-Xanthen-9-one, 2,7-bis(1-oxo-5-(piperidino)pentyl)-

HRID 441650
Notes
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Reaction equation

HRID 441650 reaction equation
N1(CCCC(C2C=CC3OC4C(=CC(C(=O)CCCN5CCCCC5)=CC=4)CC=3C=2)=[O:11])CCCCC1.[N:37]1([CH2:43][CH2:44][CH2:45][CH2:46][C:47]([C:49]2[CH:62]=[CH:61][C:60]3[O:59][C:58]4[C:53](=[CH:54][C:55]([C:63](=[O:74])[CH2:64][CH2:65][CH2:66][CH2:67][N:68]5[CH2:73][CH2:72][CH2:71][CH2:70][CH2:69]5)=[CH:56][CH:57]=4)[CH2:52][C:51]=3[CH:50]=2)=[O:48])[CH2:42][CH2:41][CH2:40][CH2:39][CH2:38]1.[Cr](O[Cr]([O-])(=O)=O)([O-])(=O)=O.[Na+].[Na+]>C(O)(=O)C>[N:37]1([CH2:43][CH2:44][CH2:45][CH2:46][C:47]([C:49]2[CH:62]=[CH:61][C:60]3[O:59][C:58]4[C:53](=[CH:54][C:55]([C:63](=[O:74])[CH2:64][CH2:65][CH2:66][CH2:67][N:68]5[CH2:69][CH2:70][CH2:71][CH2:72][CH2:73]5)=[CH:56][CH:57]=4)[C:52](=[O:11])[C:51]=3[CH:50]=2)=[O:48])[CH2:42][CH2:41][CH2:40][CH2:39][CH2:38]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 25408Sodium DichromateHCID 5154014-(1-piperidyl)-1-[7-[4-(1-piperidyl)butanoyl]-9H-xanthen-2-yl]butan-1-oneHCID 5154035-(1-piperidyl)-1-[7-[5-(1-piperidyl)pentanoyl]-9H-xanthen-2-yl]pentan-1-one

Product 1

HCID 2169999H-Xanthen-9-one, 2,7-bis(1-oxo-5-(piperidino)pentyl)-

Reagents, catalysts & solvents 1

HCID 176
Acetic Acid
Solvent

Procedure

Following the procedure of Example 42, only substituting for 2,7-bis(4-piperidinobutyryl)xanthene, 25.8 g (0.05 mole) 2,7-bis(5-piperidinovaleryl)xanthene and using 600 ml of glacial acetic acid and 19.7 g (0.066 mole) sodium dichromate, the solid obtained is recrystallized from a benzene-heptane mixture to give the title compound, M.P. 109°-110° C.

Workup

  1. customthe solid obtained
  2. customis recrystallized from a benzene-heptane mixture

Sources & evidence

ORD record
ord-57a4de6c4ce945fc9c1497780ca52f06
Source dataset
uspto-grants-1977_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04041165

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes