5-Chloropyrazinoic acid → tert-butyl ((4aR,11bR)-10-(5-chloropyrazine-2-carboxamido)-3,3,11b-trimethyl-4,4-dioxido-4a,5,6,11b-tetrahydro-3H-benzo[6,7]oxepino[4,5-b][1,4]thiazin-2-yl)carbamate

HRID 627678Notes

Reaction equation

HRID 627678 reaction equation
[NH2:1][C:2]1[CH:3]=[CH:4][C:5]2[O:27][CH2:26][CH2:25][C@H:8]3[S:9](=[O:24])(=[O:23])[C:10]([CH3:22])([CH3:21])[C:11]([NH:13][C:14](=[O:20])[O:15][C:16]([CH3:19])([CH3:18])[CH3:17])=[N:12][C@:7]3([CH3:28])[C:6]=2[CH:29]=1.[Cl:30][C:31]1[N:32]=[CH:33][C:34]([C:37](O)=[O:38])=[N:35][CH:36]=1>>[Cl:30][C:31]1[N:32]=[CH:33][C:34]([C:37]([NH:1][C:2]2[CH:3]=[CH:4][C:5]3[O:27][CH2:26][CH2:25][C@H:8]4[S:9](=[O:23])(=[O:24])[C:10]([CH3:22])([CH3:21])[C:11]([NH:13][C:14](=[O:20])[O:15][C:16]([CH3:17])([CH3:18])[CH3:19])=[N:12][C@:7]4([CH3:28])[C:6]=3[CH:29]=2)=[O:38])=[N:35][CH:36]=1

Participants

3

Reactant 2

HCID 4654725-Chloropyrazinoic acidHCID 90307362tert-butyl ((4aR,11bR)-10-amino-3,3,11b-trimethyl-4,4-dioxido-4a,5,6,11b-tetrahydro-3H-benzo[6,7]oxepino[4,5-b][1,4]thiazin-2-yl)carbamate

Product 1

HCID 86728168tert-butyl ((4aR,11bR)-10-(5-chloropyrazine-2-carboxamido)-3,3,11b-trimethyl-4,4-dioxido-4a,5,6,11b-tetrahydro-3H-benzo[6,7]oxepino[4,5-b][1,4]thiazin-2-yl)carbamateYield 70.1%

Procedure

Using general method 3 (step 1), trans intermediate 19 (150 mg, 0.354 mmol) and 5-chloropyrazine-2-carboxylic acid (67.4 mg, 0.425 mmol) were combined to afford the title compound (140 mg, 0.248 mmol, 70.1%) as a white solid. MS m/z=564.0 (M+H).

Sources & evidence

ORD record
ord-3cf5329e2dc04f75a06bcfc4c4c74935
Source dataset
uspto-grants-2016_04
Patent number
US09309263B2

Reaction notes

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