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Boron trihalide-promoted addition of aryl aldehydes to styrenes. A new convenient and highly efficient synthesis of 1,3-dihalo-1,3-diarylpropanes

✍ Scribed by George W Kabalka; Zhongzhi Wu; Yuhong Ju

Book ID: 104231186
Publisher: Elsevier Science
Year: 2001
Tongue: French
Weight: 101 KB
Volume: 42
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)01125-x

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✦ Synopsis

Reactions of aryl aldehydes with styrenes in the presence of boron trichloride in CH 2 Cl 2 at 0°C produce 1,3-dichloro-1,3-diarylpropanes in excellent yields. Reactions carried out using boron tribromide generate the corresponding 1,3-dibromo-1,3diarylpropane in good yields.

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