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Scarab Genomics

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Science 5 May 2006:
Vol. 312. no. 5774, p. 653
DOI: 10.1126/science.312.5774.653m
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This Week in Science

Interstellar space contains numerous electronically unsaturated small molecules that would quickly decompose through collisions in denser environments. One such molecule is the triangular carbon ring cyclopropenylidene, C(CH)2, which also has a singlet ground state that is electronic aromatic. Lavallo et al. (p. 722, published online 13 April) have stabilized a derivative of this carbene compound by appending electron-rich amino groups to the carbon skeleton at room temperature. Its core structure is only slightly perturbed from the calculated geometry of the unsubstituted parent ring. Unlike earlier isolable carbenes, this compound did not require the amine donors to bond directly to the unsaturated carbene center.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)