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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 32, 2002 - Issue 13
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Original Articles

STUDIES IN LARGE RING COMPOUNDS: SYNTHESIS OF SOME NEW MORPHANTHRINDINES AND DIAZOCINES

V. G. Pawar Organic Synthesis Research Laboratory, Dnyanopasak College, Parbhani, 431 401, India
,
S. R. Bhusare Organic Synthesis Research Laboratory, Dnyanopasak College, Parbhani, 431 401, India
,
R. P. Pawar Organic Synthesis Research Laboratory, Dnyanopasak College, Parbhani, 431 401, India
&
B. M. Bhawal Organic Chemistry Synthesis Division, National Chemical Laboratory, Pune, 411 008, IndiaCorrespondence[email protected]
Pages 1929-1936 | Received 23 Jun 2001, Published online: 16 Aug 2006
 
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ABSTRACT

A novel method for the synthesis of 2 or 3-substituted 5,6-dihydro-6,11-dioxo-morphanthridines (2) involving the cyclisation of anilinic acid (1) with PPA/AcOH has been developed. A new heterocyclic system, 2 or 3-Substituted 5,6,11,12-tetrahydrodibenzo[b, f] [1,4]diazocine-6,11-diones (4) has been synthesized with excellent yields.

ACKNOWLEDGMENT

We thank Dr. Y. B. Vibhute, Yeshwant Mahavidhylaya Nanded, Dr. W. N. Jadhav, Dnyanopasak College, Parbhani and Dr. P. P. Wadgaonkar, NCL, Pune for their valuable suggestions.

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