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Tacrolimus → 1,14-Dihydroxy-12-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylvinyl]-23,25-dimethoxy-13,19,21,27-tetramethyl-17-propyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetraone

HRID 55104
Notes
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Reaction equation

HRID 55104 reaction equation
[CH3:1][C@H:2]1[CH2:33][C:32]([CH3:34])=[CH:31][C@@H:30]([CH2:35][CH:36]=[CH2:37])[C:28](=[O:29])[CH2:27][C@H:26]([OH:38])[C@@H:25]([CH3:39])[C@@H:24](/[C:40](/[CH3:51])=[CH:41]/[C@H:42]2[CH2:47][C@@H:46]([O:48][CH3:49])[C@H:45]([OH:50])[CH2:44][CH2:43]2)[O:23][C:21](=[O:22])[C@H:20]2[N:15]([CH2:16][CH2:17][CH2:18][CH2:19]2)[C:13](=[O:14])[C:11](=[O:12])[C@:9]2([OH:52])[O:10][C@@H:5]([C@@H:6]([O:54][CH3:55])[CH2:7][C@H:8]2[CH3:53])[C@@H:4]([O:56][CH3:57])[CH2:3]1>C(OCC)(=O)C.[Pd]>[OH:52][C:9]12[O:10][CH:5]([CH:6]([O:54][CH3:55])[CH2:7][CH:8]1[CH3:53])[CH:4]([O:56][CH3:57])[CH2:3][CH:2]([CH3:1])[CH2:33][C:32]([CH3:34])=[CH:31][CH:30]([CH2:35][CH2:36][CH3:37])[C:28](=[O:29])[CH2:27][CH:26]([OH:38])[CH:25]([CH3:39])[CH:24]([C:40]([CH3:51])=[CH:41][CH:42]1[CH2:43][CH2:44][CH:45]([OH:50])[CH:46]([O:48][CH3:49])[CH2:47]1)[O:23][C:21](=[O:22])[CH:20]1[N:15]([CH2:16][CH2:17][CH2:18][CH2:19]1)[C:13](=[O:14])[C:11]2=[O:12]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 1

HCID 445643Tacrolimus

Product 1

HCID 571132511,14-Dihydroxy-12-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylvinyl]-23,25-dimethoxy-13,19,21,27-tetramethyl-17-propyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetraone

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalystHCID 8857Ethyl AcetateSolvent

Procedure

A solution of the FR-900506 substance (50 mg) in ethyl acetate (2 ml) was subjected to catalytic reduction using 10% palladium on carbon (10 mg) under atmospheric pressure at room temperature for 20 minutes. The reaction mixture was filtered and the filtrate was evaporated to dryness, which was purified on thin layer chromatography. Development with a mixture of chloroform and acetone (5:1 v/v) gave 1,14-dihydroxy-12-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylvinyl]-23,25-dimethoxy-13,19,21,27-tetramethyl-17-propyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9 ]octacos-18-ene-2,3,10,16-tetraone (50.0 mg).

Workup

  1. customat room temperature
  2. customfor 20 minutes
  3. filtrationThe reaction mixture was filtered
  4. customthe filtrate was evaporated to dryness, which
  5. customwas purified on thin layer chromatography
  6. additionDevelopment with a mixture of chloroform and acetone (5:1 v/v)

Sources & evidence

ORD record
ord-c43d37d4ab25430ea013783c1f049613
Source dataset
uspto-grants-1997_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05624842

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes