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US 2025/0026732 A1Published application
An improved process for the preparation of crystalline form-a of cyantraniliprole
OwnerAmarnath JAMPANI, Veeraiah ARUDRA +5inventors
InventorsAmarnath JAMPANI, Veeraiah ARUDRA, Radha Rani SAMATHAM, Janaki Rama Rao RAVI, Durga Prasad KONAKANCHI, Pulla Reddy MUDDASANI, Venkaiah Chowdary NANNAPANENI
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Abstract
The present invention relates to an improved process for the preparation of Crystalline Form-A of Cyantraniliprole of Formula-I.
Claims4
An improved process for the preparation of Crystalline Form-A of Cyantraniliprole of Formula-I, comprising the steps of:
- a) suspending crystalline Form-B of Cyantraniliprole in a suitable solvent;
- b) heating the reaction mixture to a suitable temperature ranges from 70° C. to 120° C.;
- c) cooling the reaction mixture to room temperature;
- d) isolating Crystalline Form-A of Cyantraniliprole of Formula-I.
1 more element
Dependencies are inferred from the claim text.