Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2045867Generated: October 30, 2026

5-Methyl-2-pyrazinecarboxylic acid → HCID 57524930, compound

https://huagongshe.com/reaction/2045867

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Methyl-2-pyrazinecarboxylic acidHCID 122831—
Reactanttert-butyl[(4aS,5S,7aS)-7a-(5-amino-2-fluorophenyl)-5-trifluoromethyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl]carbamateHCID 68171522—
ProductHCID 57524930HCID 57524930—

Reaction Steps

Synthesized from tert-butyl [(4aS,5S,7aS)-7a-(5-amino-2-fluorophenyl)-5-trifluoromethyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl]carbamate and 5-methyl-pyrazine-2-carboxylic acid according to the general procedure. 1H NMR (400 MHz, CDCl3) δ ppm 2.72 (s, 3H), 2.88 (dd, J=13.6, 3.8 Hz, 1H), 3.21 (dd, J=13.6, 3.0 Hz, 1H), 3.42-3.49 (m, 1H), 3.94 (d, J=8.3 Hz, 1H), 4.39-4.80 (m, 4H), 7.14 (dd, J=11.9, 8.8 Hz, 1H), 7.62 (dd, J=7.1, 2.8 Hz, 1H), 7.93-7.99 (m, 1H), 8.46 (d, J=1.0 Hz, 1H), 9.39 (d, J=1.3 Hz, 1H), 9.65 (s, 1H)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08592408B2
Source datasetuspto-grants-2013_11
ORD IDord-594590ce066745eb8b88b1b7344adc8b
Source noteuspto-grants-2013_11