3,6-Dibromothieno(3,2-b)thiophene → 4-(6-bromo-thieno[3,2-b]thiophen-3-yl)-2-(S)-(1-tert-butoxycarbonyl-pyrrolidin-2-yl)-imidazole-1-carboxylic acid tert-butyl ester

HRID 716542Notes

Reaction equation

Br[C:2]1[C:3]2[S:9][CH:8]=[C:7]([Br:10])[C:4]=2[S:5][CH:6]=1.[C:11]([O:15][C:16]([N:18]1[C:22]([Sn](CCCC)(CCCC)CCCC)=[CH:21][N:20]=[C:19]1[C@@H:36]1[CH2:40][CH2:39][CH2:38][N:37]1[C:41]([O:43][C:44]([CH3:47])([CH3:46])[CH3:45])=[O:42])=[O:17])([CH3:14])([CH3:13])[CH3:12].C(OC(N1CCC[C@H]1C1NC(C2SC3C=C(C4C=CC(C5NC([C@@H]6CCCN6C(=O)[C@@H](NC(OC)=O)C(C)C)=NC=5)=CC=4)SC=3C=2)=CN=1)=O)(C)(C)C>>[C:11]([O:15][C:16]([N:18]1[CH:22]=[C:21]([C:2]2[C:3]3[S:9][CH:8]=[C:7]([Br:10])[C:4]=3[S:5][CH:6]=2)[N:20]=[C:19]1[C@@H:36]1[CH2:40][CH2:39][CH2:38][N:37]1[C:41]([O:43][C:44]([CH3:47])([CH3:46])[CH3:45])=[O:42])=[O:17])([CH3:14])([CH3:13])[CH3:12]

Participants

Reactant 3

HCID 106139793,6-Dibromothieno(3,2-b)thiophene

HCID 672401812-((S)-1-tert-butoxycarbonyl-pyrrolidin-2-yl)-5-tributylstannanyl-imidazole-1-carboxylic acid tert-butyl ester

HCID 67240543(S)-2-{5-[5-(4-{2-[(S)-1-((S)-2-methoxycarbonylamino-3-methyl-butyryl)-pyrrolidin-2-yl]-3H-imidazol-4-yl}-phenyl)-thieno[3,2-b]thiophen-2-yl]-1H-imidazol-2-yl}-pyrrolidine-1-carboxylic acid tert-butyl ester

Product 1

HCID 583103974-(6-bromo-thieno[3,2-b]thiophen-3-yl)-2-(S)-(1-tert-butoxycarbonyl-pyrrolidin-2-yl)-imidazole-1-carboxylic acid tert-butyl ester

Procedure

Compound 76 was synthesized from 3,6-dibromothieno[3,2,b]thiophene (6.71 mmol) and compound 61 (6.71 mmol), following the procedure as described for compound 63 to give compound 76 as a yellow cristal. MS (ESI, EI+) m/z=554-556 (MH+).

Sources & evidence

ORD record: ord-f9a4c37dd0704e84be9bab22626b0460
Source dataset: uspto-grants-2015_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09187496B2

Reaction notes

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