IP Library Granted Patent US 7,501,543
Granted Patent B2
US 7,501,543 · App. 12/106,460 · Granted Mar 10, 2009

Substituted phenylsulfur trifluoride and other like fluorinating agents

Assignee: IM&T Research, Inc.
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Quick Facts
Patent No.
US 7,501,543
App. No.
12/106,460
Granted
Mar 10, 2009
Kind
B2
Abstract

Novel substituted phenylsulfur trifluorides that act as fluorinating agents are disclosed. Also disclosed are methods for their preparation and methods for their use in introducing one or more fluorine atoms into target substrate compounds. Finally, various intermediate compounds for use in preparing substituted phenylsulfur trifluorides are provided.

Claims (6)

1. A compound of the formula (Ic):

in which: R 7 is a primary, secondary, or tertiary alkyl group having one to four carbon atoms; and R 8 is a hydrogen atom or a primary, secondary, or tertiary alkyl group having one to four carbon atoms.

2. The compound of claim 1 , wherein R 8 is a hydrogen atom or tert-butyl group.

3. The compound of claim 1 , wherein the compound is selected from the group consisting of bis[2,6-bis(methoxymethyl)phenyl] disulfide; bis[2,6-bis(methoxymethyl)-4-tert-butylphenyl] disulfide; bis[2,6-bis(ethoxymethyl)-4-tert-butylphenyl] disulfide; bis[2,6-bis(isopropoxymethyl)-4-tert-butylphenyl] disulfide; bis[2,6-bis(isobutoxymethyl)-4-tert-butylphenyl] disulfide; and bis[2,6-bis(tert-butoxymethyl)-4-tert-butylphenyl] disulfide.

4. Bis(2,6-dimethyl-3-chloro-4-tert-butylphenyl) disulfide.

5. Bis(2,6-dimethyl-3,5-dichloro-4-tert-butylphenyl) disulfide.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 1, 2024
From: UBE CORPORATION
To: INNER MONGOLIA YONGTAI CHEMICAL CO., LTD.
Reel/Frame 068146/0767 →
CHANGE OF NAME & ADDRESS Recorded Jul 14, 2023
From: UBE INDUSTRIES, LTD.
To: UBE CORPORATION
Reel/Frame 064274/0902 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 7, 2011
From: IM&T RESEARCH, INC.
To: UBE INDUSTRIES, LTD.
Reel/Frame 025751/0029 →
Continuity (3)
Division 1182816200 · Jul 25, 2007
Continuation In Part 1149498300 · Jul 28, 2006
Related Publication 20080221364A1 · Sep 11, 2008