SET pathway in tributylstannyllithium addition to alkynyl Fischer carbene complexes |
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| Authors: | Dilip K Sinha-Mahapatra Amitabha Sarkar |
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| Institution: | a Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India
b Center For Materials Characterization, National Chemical Laboratory, Pune 411 008, India |
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| Abstract: | The reaction of tributyltin lithium with Fischer type alkynyl carbene complexes has been studied. The reaction proceeds via a nucleophilic pathway to produce the conjugate addition product, and a single electron transfer pathway to afford cyclopentannulated derivatives derived from two units of the alkyne complex. Structure of the latter was confirmed by crystal structure determination of a representative complex. |
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| Keywords: | Fischer carbene Single-electron transfer Tributylstannyllithium Conjugate addition |
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