Triethylene Glycol → (+/-)-(3SR,3aRS)-2-(2-(2-hydroxyethoxy)ethoxy)ethyl 2-(3-chloro-4-cyanophenyl)-3-cyclopentyl-3,3a,4,5-tetrahydro-2H-benzo[g]indazole-7-carboxylate

HRID 505761Notes

Reaction equation

[Cl:1][C:2]1[CH:3]=[C:4]([N:10]2[CH:18]([CH:19]3[CH2:23][CH2:22][CH2:21][CH2:20]3)[CH:17]3[C:12]([C:13]4[CH:27]=[CH:26][C:25]([C:28]([OH:30])=[O:29])=[CH:24][C:14]=4[CH2:15][CH2:16]3)=[N:11]2)[CH:5]=[CH:6][C:7]=1[C:8]#[N:9].[CH2:31](O)[CH2:32][O:33][CH2:34][CH2:35][O:36][CH2:37][CH2:38][OH:39]>>[Cl:1][C:2]1[CH:3]=[C:4]([N:10]2[CH:18]([CH:19]3[CH2:20][CH2:21][CH2:22][CH2:23]3)[CH:17]3[C:12]([C:13]4[CH:27]=[CH:26][C:25]([C:28]([O:30][CH2:31][CH2:32][O:33][CH2:34][CH2:35][O:36][CH2:37][CH2:38][OH:39])=[O:29])=[CH:24][C:14]=4[CH2:15][CH2:16]3)=[N:11]2)[CH:5]=[CH:6][C:7]=1[C:8]#[N:9]

Participants

Reactant 2

HCID 8172Triethylene Glycol

HCID 24983760(+/-)(3SR,3aRS)-2-(3-chloro-4-cyanophenyl)-3-cyclopentyl-3,3a,4,5-tetrahydro-2H-benzo[g]indazole-7-carboxylic acid

Product 1

HCID 68798998(+/-)-(3SR,3aRS)-2-(2-(2-hydroxyethoxy)ethoxy)ethyl 2-(3-chloro-4-cyanophenyl)-3-cyclopentyl-3,3a,4,5-tetrahydro-2H-benzo[g]indazole-7-carboxylateYield 47%

Procedure

The title compound was prepared from (±)-(3SR,3aRS)-2-(3-chloro-4-cyanophenyl)-3-cyclopentyl-3,3a,4,5-tetrahydro-2H-benzo[g]indazole-7-carboxylic acid, Example 15 and triethylene glycol according to Method E (yellow solid, 125 mg, 0.226 mmol, 47% yield). ES-HRMS m/z calc. for C30H34ClN3NaO5 (M+Na) 574.2085, found 574.2047.

Sources & evidence

ORD record: ord-d3349ce1d3114ca8a83d1f9d6303745e
Source dataset: uspto-grants-2010_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07781428B2

Reaction notes

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