Synthesis of Novel Symmetrical and Unsymmetrical o-Phthalic Acid Diamides | Zendy

Padam Praveen Kumar | Zendy; Y. D. REDDY | Zendy; Chittireddy Venkata Ramana Reddy | Zendy; B. Rama Devi | Zendy; Pramod Kumar Dubey | Zendy

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Synthesis of Novel Symmetrical and Unsymmetrical o-Phthalic Acid Diamides

Author(s) -

Padam Praveen Kumar,

Y. D. REDDY,

Chittireddy Venkata Ramana Reddy,

B. Rama Devi,

Pramod Kumar Dubey

Publication year - 2014

Publication title -

organic chemistry international

Language(s) - English

Resource type - Journals

eISSN - 2090-2018

pISSN - 2090-200X

DOI - 10.1155/2014/576715

Subject(s) - chemistry , algorithm , computer science

Phthalic anhydride was treated with secondary amines in acetic acid yielding 2-(diethyl (or) 4-alkylpiperazine or morpholine-1-carbonyl) benzoic acids. The latter were reacted, again, with secondary amines and arylamines by using the coupling reagent HATU and Et3N as a base in DMF giving the novel symmetrical o-phthalic acid diamides [o-R1R1NCOC6H4CONR1R1], unsymmetrical o-phthalic acid diamides [o-R1R1NCOC6H4CONR1R2], and primary amidic-secondary amidic containing unsymmetrical o-phthalic acid diamides [o-R1R1NCOC6H4CONHAr], respectively

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