Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5274347 | Tetrahedron Letters | 2009 | 5 Pages |
Abstract
Dipolar, V-shaped compounds derived from 4H-pyranylidene-linked acceptors have been synthesized, and their linear and nonlinear optical properties (displaying μβ values up to 3000 × 10−48 esu) have been compared to those of analogous one-dimensional derivatives. The pyranylidene ring behaves strictly as a spacer, and not as a donor group.
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