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Amidation of highly methoxylated citrus pectin with primary amines
Abstract Partially amidated pectin derivatives (N-alkyl pectinamides) were prepared from highly methoxylated citrus pectin by treatment with different primary amines in methanol. The characterisation… Expand
Chromene chromium carbene complexes in the syntheses of naphthopyran and naphthopyrandione units present in photochromic materials and biologically active natural products.
- M. Rawat, V. Prutyanov, W. Wulff
- Chemistry, Medicine
- Journal of the American Chemical Society
- 5 August 2006
The carbene complex 5-(2,2-dimethyl-2H-chromene)methoxylmethylene chromium pentacarbonyl will undergo a benzannulation reaction with phenylacetylene, 1-pentyne, 3-hexyne, and trimethylsilylacetylene… Expand
Chromene Chromium Carbene Complexes in the Syntheses of Naphthopyran and Naphthopyrandione Units Present in Photochromic Materials and Biologically Active Natural Products.