US 8,541,611 B2 · Bifunctional phenyl iso(thio)cyanates, processes and intermediates products for their preparation

Abstract

A process for preparing phenyl iso(thio)cyanates of the formula I in which a compound of the formula II or its HCl adduct is reacted with a phosgenating agent where W is oxygen or sulfur and Ar and A are as defined in claim 1 is described. Moreover, the invention relates to the use of the phenyl iso(thio)cyanates for preparing crop protection agents.

Claims14

Dependent claims

A phenyl iso(thio)cyanate of formula I,

where:
W is oxygen or sulfur,
Ar is phenyl which may be mono- or polysubstituted by the following groups:
hydrogen, halogen, C1-C4-haloalkyl or cyano, and
A is a radical derived from a primary or secondary amine or is NH2,

2 more elements

A phenyl iso(thio)cyanate of formula Ia,

wherein:
W is oxygen or sulfur,
A is a radical derived from a primary or secondary amine or is NH2, and
Ra is fluorine, chlorine or cyano, Rc is hydrogen, fluorine or chlorine and Rb and Rd are each hydrogen.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

13/535,544Filed 28 Jun 2012 · division

Priority

21 Sep 2010

Published

US 2012/0271049 A125 Oct 2012

Granted

24 Sep 2013

Term ends

Not estimatedThe source records don’t support an estimate.

Classification14 codes

C07D 213/76
Nitrogen atoms: to which a second hetero atom is attached
C07C 303/34
Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides: of amides of…
C07C 307/06
Diamides of sulfuric acids: having nitrogen atoms of the sulfamide groups bound to acyclic carbon atoms
C07C 331/28
Isothiocyanates: having isothiocyanate groups bound to carbon atoms of six-membered aromatic rings

Family

PCT/EP03/12013Parent of this division · filed 29 Oct 2003

Application12/886,986Parent of this division · filed 21 Sep 2010

US 7,820,846 B2Parent of this division · filed 26 Oct 2010

US 2012/0271049 A1Pre-grant publication · published 25 Oct 2012

US 8,232,421 B2Parent of this division

Application10/532,931Parent of this division

US 2006/0004220 A1Published application

US 2011/0009640 A1Published application

US 8,541,611 B2This patent

From the US filing history. Foreign family members aren’t listed.

Bifunctional phenyl iso(thio)cyanates, processes and intermediates products for their preparation

Life of this patent

Bifunctional phenyl iso(thio)cyanates, processes and intermediates products for their preparation

Life of this patent

Abstract

Claims14