B. Gopal, Prasoon Raj Singh, Shubham Bhatt, Avijit Goswami
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Abstract
A BF3·OEt2 promoted facile synthesis of cyclic amidines has been developed via the (3+2)-cycloaddition of cyanamides with donor-acceptor cyclopropanes (DACs). In addition to this, the protocol has been successfully extended to construct dimerized amidine derivative and gram-scale synthesis with great efficiency.
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