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Preparation and Use of Carbonyl-decorated Carbenes in the Activation of White Phosphorus
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Strong P=P pi Bonds: The First Synthesis of a Stable Phosphanyl Phosphenium Ion

Loss1, Widauer, Grützmacher

  • 1Laboratory of Inorganic Chemistry, ETH-Zentrum, Universitätsstrasse 6, CH-8092 Zürich (Switzerland).

Angewandte Chemie (International Ed. in English)
|December 22, 1999
PubMed

Abstract:

A 35-fold excess of methyl triflate (2) is required to quantitively prepare 3, the first phosphanyl phosphenium ion, from diphosphene 1. Experimental data and calculations indicate that the P=P bond becomes stronger upon alkylation.

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Phosphodiester Linkages01:01

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Overview
Phosphodiester bond forms when a phosphoric acid molecule (H3PO4) links with two hydroxyl groups (–OH) of two other molecules, forming two ester bonds. Two water molecules are released in this process. The phosphodiester bond is commonly found in nucleic acids (DNA and RNA) and plays a critical role in their structure and function.
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Phosphoinositides are a group of phospholipids containing a glycerol backbone with two fatty acid chains and a phosphate attached to a myoinositol sugar ring. The inositol head group extends into the cytoplasm, where it is modified by adding phosphate groups to form phosphatidylinositol phosphates or PIPs.
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