Selective bromocyclization of 2-geranylphenols promoted by phosphite-urea cooperative catalysts.

Sawamura, Yasuhiro; Nakatsuji, Hidefumi; Akakura, Matsujiro; Sakakura, Akira; Ishihara, Kazuaki

Sawamura, Yasuhiro; Nakatsuji, Hidefumi; Akakura, Matsujiro; Sakakura, Akira; Ishihara, Kazuaki.

Afiliação

Sawamura Y; Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya, Japan.

Chirality ; 26(7): 356-60, 2014 Jul.

Article em En | MEDLINE | ID: mdl-24526498

ABSTRACT

ABSTRACT

Nucleophilic phosphite-urea cooperative catalysts are highly efficient for the bromonium-induced cyclization of 2-geranylphenols. Phosphite-N,N'-dimethylurea catalysts also show moderate activity, probably due to the steric effect of their bent conformation.

Assuntos

Halogenação; Fenóis/química; Fosfitos/química; Ureia/química; Catálise; Ciclização; Modelos Moleculares; Conformação Molecular; Especificidade por Substrato

Palavras-chave

2-geranylphenol; N,N'-dimethylurea; bromocyclization; bromophosphonium salt; phosphite; steric effect; urea

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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Fenóis / Ureia / Fosfitos / Halogenação Idioma: En Revista: Chirality Ano de publicação: 2014 Tipo de documento: Article

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