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Synthesis
Stimulated By Microwaves
March 17, 2014
| A version of this story appeared in
Volume 92, Issue 11
Possible special thermal effects of microwave irradiation are still actively debated (C&EN, Jan. 27, page 26). Paramjit S. Arora and Ross N. Chapman of New York University observed that the Ru-mediated ring-closing metathesis of an oligopeptide was sluggish with oil-bath heating—taking hours. But it proceeded rapidly—that is, in two to five minutes—with microwave heating (Org. Lett. 2006, DOI:10.1021/ol062443z). Could cis-trans amide flip be directly stimulated by microwaves?
Douglass F. Taber
Philadelphia
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