2,2'-Dibromo-1,1'-binaphthyl
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74866-28-7Brc1ccc2ccccc2c1-c1c(Br)ccc2ccccc12IJUDEFZBMMRSNM-UHFFFAOYSA-N74866-28-7DTXSID60347302安全情報は参考情報です。供給元の安全データシート(SDS)、適用法令、専門家による評価に代わるものではありません。
Warning
H302 (88.6%): Harmful if swallowed [Warning Acute toxicity, oral];H315 (11.4%): Causes skin irritation [Warning Skin corrosion/irritation];H319 (11.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation];H413 (88.6%): May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard]
P264, P264+P265, P270, P273, P280, P301+P317, P302+P352, P305+P351+P338, P321, P330, P332+P317, P337+P317, P362+P364, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 44 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.;Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
用途有機合成原料。
使用The synthesis of this class of compounds relies on the lithiation of racemic 2,2'-dibromo-1,1'-binaphthyl with t-BuLi followed by addition of Ph 2 PCl.
純化方法Purify the binaphthyl by chromatography through a silica gel column (70-230mesh) using hexane as eluent. It gives pale yellow crystals from EtOH with m 187.3-187.9o. The R-(+)-enantiomer [86688-08-6] crystallises from hexane with m 157-157.5o and [] D +32.9o (c 1, pyridine) [Brown et al. J Org Chem 50 4345 1985]. [Okamoto et al. J Am Chem Soc 103 69711981, Beilstein 5 III 2465.]
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