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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 601405Generated: October 29, 2026

2-Chloroethanol → HCID 135410965, compound

https://huagongshe.com/reaction/601405

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-ChloroethanolHCID 34—
ReactantHydrochloric AcidHCID 313—
ReactantTriethylamineHCID 8471—
ReactantChlorosulfonyl isocyanateHCID 70918—
Reactant3-(7-Amino-1,1-dioxido-4H-1,2,4-benzothiadiazin-3-yl)-4-hydroxy-1-(3-methylbutyl)-1,8-naphthyridin-2(1H)-oneHCID 135430710—
SolventDichloromethaneHCID 6344—
ProductHCID 135410965HCID 13541096568.1%

Reaction Conditions

Temperature0 °C

Reaction Steps

A solution of chlorosulfonyl isocyanate (33 mg, 0.23 mmol) in dichloromethane (8 mL) was cooled to 0° C. and 2-chloroethanol (18.8 mg, 0.23 mmol) was added dropwise. The mixture was stirred at 0° C. for 90 minutes followed by the addition of a solution containing the product of Example 205 (100 mg, 0.23 mmol) and triethylamine (71 mg, 0.70 mmol) in dichloromethane (2 mL). The mixture was stirred for 24 hrs at 25° C. then partititioned between dichloromethane (25 mL) and 1N aqueous hydrochloric acid (20 mL). The resulting organic layer was separated and dried over magnesium sulfate, filtered, and concentrated under reduced pressure to provide the title compound (96 mg, 67%). MS (ESI−) m/z 611 (M−H)−. 1H NMR (300 MHz, DMSO-d6) δ 0.98 (d, J=6.62 Hz, 6 H) 1.57 (m, 2 H) 1.69 (m, 1 H) 3.78 (m, 2 H) 4.32 (m, 2 H) 4.49 (m, 2 H) 7.51 (m, 2 H) 7.63 (s, 1 H) 7.77 (d, J=9.19 Hz, 1 H) 8.56 (dd, J=7.72, 1.10 Hz, 1 H) 8.90 (dd, J=4.41, 1.47 Hz, 1 H) 11.15 (s, 1 H) 12.26 (s, 1 H) 14.10 (s, 1 H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07902203B2
Source datasetuspto-grants-2011_03
ORD IDord-f6bcdcbcb72b4cf79ee5d37b9e7f4537
Source noteuspto-grants-2011_03