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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2045868Generated: October 30, 2026

5-Methoxypyridine-2-carboxylic acid → N-(3-((4aS,5S,7aS)-2-amino-5-(trifluoromethyl)-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-7a-yl)-4-fluorophenyl)-5-methoxypicolinamide

https://huagongshe.com/reaction/2045868

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Methoxypyridine-2-carboxylic acidHCID 11958939—
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—
ProductN-(3-((4aS,5S,7aS)-2-amino-5-(trifluoromethyl)-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-7a-yl)-4-fluorophenyl)-5-methoxypicolinamideHCID 57525006—

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-methoxypyridine-2-carboxylic acid according to the general procedure. 1H NMR (400 MHz, CDCl3) δ ppm 2.88 (dd, J=13.8, 3.7 Hz, 1H), 3.23 (dd, J=13.8, 2.4 Hz, 1H), 3.46 (d, J=7.3 Hz, 1H), 3.89-4.02 (m, 4H), 4.54-5.00 (m, 4H), 7.11 (dd, J=11.9, 8.8 Hz, 1H), 7.36 (dd, J=8.8, 2.8 Hz, 1H), 7.61 (dd, J=7.1, 2.8 Hz, 1H), 7.97 (dt, J=8.5, 3.6 Hz, 1H), 8.23-8.30 (m, 2H), 9.86 (s, 1H)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08592408B2
Source datasetuspto-grants-2013_11
ORD IDord-be3b6c8ce7554e06be9486019a5786d5
Source noteuspto-grants-2013_11