<div class="abstract style-scope patent-text" id="p-0001" num="0000" style="color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 13px; text-align: justify;">
<span style="font-size:12px;"><strong><span style="color: rgb(32, 33, 34); font-family: sans-serif;">NiCl</span><sub style="line-height: 1; font-size: 11.2px; color: rgb(32, 33, 34); font-family: sans-serif;">2</sub><span style="color: rgb(32, 33, 34); font-family: sans-serif;"> and its hydrate are occasionally useful in </span><a href="https://en.wikipedia.org/wiki/Organic_synthesis&quot; style="text-decoration-line: none; color: rgb(6, 69, 173); background-image: none; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: sans-serif; font-size: 14px;" title="Organic synthesis">organic synthesis</a></strong></span></div>
<div class="abstract style-scope patent-text" num="0000" style="color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 13px; text-align: justify;">
<span style="font-size:12px;"><strong><span style="color: rgb(32, 33, 34); font-family: sans-serif;">As a mild Lewis acid, e.g. for the regioselective isomerization of dienols :</span></strong></span></div>
<div class="abstract style-scope patent-text" num="0000" style="color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 13px;">
<ul style="list-style-image: url("/w/skins/Vector/resources/common/images/bullet-icon.svg?d4515"); margin: 0.3em 0px 0px 1.6em; padding: 0px; color: rgb(32, 33, 34); font-family: sans-serif; font-size: 14px;">
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<span style="font-size:12px;"><strong>In combination with <a href="https://en.wikipedia.org/wiki/Chromium(II)_chloride&quot; style="text-decoration-line: none; color: rgb(6, 69, 173); background: none;" title="Chromium(II) chloride">CrCl<sub style="line-height: 1; font-size: 11.2px;">2</sub></a> for the coupling of an <a href="https://en.wikipedia.org/wiki/Aldehyde&quot; style="text-decoration-line: none; color: rgb(6, 69, 173); background: none;" title="Aldehyde">aldehyde</a> and a vinylic iodide to give <a href="https://en.wikipedia.org/wiki/Allyl_alcohol&quot; style="text-decoration-line: none; color: rgb(6, 69, 173); background: none;" title="Allyl alcohol">allylic alcohols</a>.</strong></span></li>
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<span style="font-size:12px;"><strong>For selective reductions in the presence of <a href="https://en.wikipedia.org/wiki/Lithium_aluminium_hydride&quot; style="text-decoration-line: none; color: rgb(6, 69, 173); background: none;" title="Lithium aluminium hydride">LiAlH<sub style="line-height: 1; font-size: 11.2px;">4</sub></a>, e.g. for the conversion of alkenes to alkanes.</strong></span></li>
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<span style="font-size:12px;"><strong>As a precursor to <a class="new" href="https://en.wikipedia.org/w/index.php?title=Charles_Allan_Brown&action=e…; style="text-decoration-line: none; color: rgb(186, 0, 0); background: none;" title="Charles Allan Brown (page does not exist)">Brown</a>'s <a href="https://en.wikipedia.org/wiki/Nickel_boride_catalyst&quot; style="text-decoration-line: none; color: rgb(6, 69, 173); background: none;" title="Nickel boride catalyst">P-1 and P-2 nickel boride catalyst</a> through reaction with <a href="https://en.wikipedia.org/wiki/Sodium_borohydride&quot; style="text-decoration-line: none; color: rgb(6, 69, 173); background: none;" title="Sodium borohydride">NaBH<sub style="line-height: 1; font-size: 11.2px;">4</sub></a>.</strong></span></li>
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<span style="font-size:12px;"><strong>As a precursor to finely divided Ni by reduction with Zn, for the reduction of aldehydes, <a href="https://en.wikipedia.org/wiki/Alkene&quot; style="text-decoration-line: none; color: rgb(6, 69, 173); background: none;" title="Alkene">alkenes</a>, and nitro <a href="https://en.wikipedia.org/wiki/Aromatic_compound&quot; style="text-decoration-line: none; color: rgb(6, 69, 173); background: none;" title="Aromatic compound">aromatic compounds</a>. This reagent also promotes homo-coupling reactions, that is 2RX → R-R where R = aryl, vinyl.</strong></span></li>
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<span style="font-size:12px;"><strong>As a catalyst for making dialkyl arylphosphonates from phosphites and <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Aromatic_hydrocarbon&quot; style="text-decoration-line: none; color: rgb(6, 69, 173); background: none;" title="Aromatic hydrocarbon">aryl</a> iodide.</strong></span></li>
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