POLYMORPHS

• US 20200131182A1
• Filed: 12/15/2017
• Published: 04/30/2020
• Est. Priority Date: 12/22/2016
• Status: Active Grant

• Current Assignee: Syngenta Participations AG (China National Chemical Corporation)
• Original Assignee: Syngenta Participations AG (China National Chemical Corporation)
• Inventors: JONES, Ian Kevin, HONE, John, GEORGE, Neil
• Granted Patent: US 11,572,361 B2
• Time in Patent Office: Days
• CPC Class Codes: A01N 43/90 having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
• CPC Class Codes: C07B 2200/13 Crystalline forms, e.g. polymorphs
• CPC Class Codes: C07D 401/04 directly linked by a ring-member-to-ring-member bond
• CPC Class Codes: C07D 471/10 Spiro-condensed systems

Abstract

The present invention relates to solid forms of the insecticide of formula (I): (I) compositions comprising the solid forms and methods of their use as insecticides.

Claims

1. A crystalline polymorph of the compound of formula I

2. The crystalline polymorph of claim 1, which has the following lattice parameters:

a=8.85 Å

±

0.01 Å

, b=11.43 Å

±

0.01 Å

, c=11.96 Å

±

0.01 Å

, α

=65.26°

±

0.01°

, β

=77.82°

±

0.01°

, γ

=72.60°

±

0.01° and

volume=1043 Å

³+1 Å

³.

3. The crystalline polymorph of claim 1, which has a melting point of between 120°

C.±

2°

C.

4. An agricultural composition comprising a polymorph as claimed in claim 1 and at least one agriculturally acceptable carrier or diluent.

5. The composition of claim 4, which comprises at least one further insecticide or nematicide.

6. A method of preventing or controlling insect infection on plants or plant propagation material comprising treating the plant or plant propagation material with an insecticidally effective amount of an agricultural composition as claimed in claim 5.