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Updated: May 30, 2026

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制备和表征一个四甲石墨间化合物

Weekit Sirisaksoontorn1, Adeniyi A Adenuga, Vincent T Remcho

  • 1Department of Chemistry, Oregon State University, Corvallis, Oregon 97331-4003, United States.

Journal of the American Chemical Society
|July 26, 2011
PubMed
概括

甲基 (TBA) 阴离子被插入到石墨中,形成一个C(44) TBA化合物. 这导致了0.47纳米的画廊扩张,表明在石墨层内有一个平坦的TBA离子结构.

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Preparation of Acid Anhydrides01:07

Preparation of Acid Anhydrides

One of the methods for preparing symmetrical or unsymmetrical acid anhydrides involves the treatment of acid chlorides with the sodium salt of carboxylic acids. The reaction proceeds via a nucleophilic acyl substitution.
The carboxylate ion acts as a nucleophile that attacks the carbonyl carbon of the acid chloride to form a tetrahedral intermediate. Subsequently, the re-formation of the carbonyl group with the loss of the chloride ion as a leaving group leads to the formation of an acid...