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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2224812Generated: October 31, 2026

2-[bis(methylsulfanyl)methylene]-4,4-dibutyl-1,3(2H,4H)-naphthalenedione → 1,1-Dibutyl-6-fluoro-4-hydroxy-3-(7-iodo-1,1-dioxido-4h-1,2,4-benzothiadiazin-3-yl)naphthalen-2(1h)-one

https://huagongshe.com/reaction/2224812

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-[bis(methylsulfanyl)methylene]-4,4-dibutyl-1,3(2H,4H)-naphthalenedioneHCID 11211104—
Reactant2-[Bis(methylthio)methylene]-4,4-dibutyl-7-fluoronaphthalene-1,3(2h,4h)-dioneHCID 11383861—
Reactant2-Amino-5-iodobenzenesulfonamideHCID 22324088—
Product1,1-Dibutyl-6-fluoro-4-hydroxy-3-(7-iodo-1,1-dioxido-4h-1,2,4-benzothiadiazin-3-yl)naphthalen-2(1h)-oneHCID 136403781—

Reaction Steps

The title compound was prepared according to the procedure of Example 5D, substituting the compound of Example 18G for the compound of Example 5C, and substituting the compound of Example 20A for the compound of 2D. 1H NMR (300 MHz, CDCl3): δ 0.56 (m, 2 H) 0.77 (m, 6 H) 0.90 (m, 2 H) 1.18 (m, 4 H) 1.90 (m, 2 H) 2.30 (m, 2 H) 7.08 (dd, J=8.46, 4.41 Hz, 2 H) 7.43 (m, 2 H) 7.93 (m, 2 H) 8.28 (d, J=1.84 Hz, 1 H) 16.58 (s, 1 H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07378414B2
Source datasetuspto-grants-2008_05
ORD IDord-9bf057dfc1ee4a2a90bb01b0446ca269
Source noteuspto-grants-2008_05