Triphenylphosphine → 4-(2-Chloro-4,6-difluorobenzyl)-2-(2,6-dimethoxypyridin-4-yl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide

Participants

Role	Name	HCID	Charge
Reactant	Triphenylphosphine	HCID 11776	—
Reactant	Diamide	HCID 5353800	—
Reactant	2-(2,6-Dimethoxypyridin-4-yl)-4-[(5-fluoro-3-methylpyridin-2-yl)methyl]-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide	HCID 72721181	—
Reactant	(2-Chloro-4,6-difluorophenyl)methanol	HCID 90022378	—
Reactant	2-(2,6-Dimethoxypyridin-4-yl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide	HCID 90054791	—
Solvent	Dichloromethane	HCID 6344	—
Product	4-(2-Chloro-4,6-difluorobenzyl)-2-(2,6-dimethoxypyridin-4-yl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide	HCID 72720881	50%

Reaction Steps

The title compound (74 mg, 0.15 mmol) was prepared from 2-(2,6-dimethoxypyridin-4-yl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide (IntF3) (101 mg, 0.30 mmol), 2-chloro-4,6-difluorobenzyl alcohol (IntA22) (59 mg, 0.33 mmol), TMAD (57 mg, 0.33 mmol) and triphenyl phosphine (86 mg, 0.33 mmol) in DCM (3 mL) using the methods of (162).

Provenance & Evidence

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US09249160B2
Source dataset	uspto-grants-2016_02
ORD ID	ord-c640d0d191d94c22a870d4edf46e5020
Source note	uspto-grants-2016_02