Preparation of 1-naphthols from acetylenes and o-phthalaldehyde using low-valent tantalum and niobium.

Yasutaka Kataoka; Jiro Miyai; Makoto Tezuka; Kazuhiko Takai; Koichiro Oshima; Kiitiro Utimoto

doi:10.1016/S0040-4039(00)94557-X

Preparation of 1-naphthols from acetylenes and o-phthalaldehyde using low-valent tantalum and niobium.

Yasutaka Kataoka, Jiro Miyai, Makoto Tezuka, Kazuhiko Takai, Koichiro Oshima, Kiitiro Utimoto

Research output: Contribution to journal › Article › peer-review

36 Citations (Scopus)

Abstract

Tantalum (or niobium)-alkyne complexes are produced by treatment of acetylenes with the low-valent tantalum (niobium) derived by zinc reduction of TaCl₅ (NbCl₅). Substituted 1-naphthols are prepared regioselectively by reaction of o-phthalaldehyde with the tantalum (or niobium)-alkyne complexes in good to excellent yields.

Original language	English
Pages (from-to)	369-372
Number of pages	4
Journal	Tetrahedron Letters
Volume	31
Issue number	3
DOIs	https://doi.org/10.1016/S0040-4039(00)94557-X
Publication status	Published - 1990
Externally published	Yes

ASJC Scopus subject areas

Biochemistry
Drug Discovery
Organic Chemistry

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title = "Preparation of 1-naphthols from acetylenes and o-phthalaldehyde using low-valent tantalum and niobium.",

abstract = "Tantalum (or niobium)-alkyne complexes are produced by treatment of acetylenes with the low-valent tantalum (niobium) derived by zinc reduction of TaCl5 (NbCl5). Substituted 1-naphthols are prepared regioselectively by reaction of o-phthalaldehyde with the tantalum (or niobium)-alkyne complexes in good to excellent yields.",

author = "Yasutaka Kataoka and Jiro Miyai and Makoto Tezuka and Kazuhiko Takai and Koichiro Oshima and Kiitiro Utimoto",

year = "1990",

doi = "10.1016/S0040-4039(00)94557-X",

language = "English",

volume = "31",

pages = "369--372",

journal = "Tetrahedron Letters",

issn = "0040-4039",

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number = "3",

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T1 - Preparation of 1-naphthols from acetylenes and o-phthalaldehyde using low-valent tantalum and niobium.

AU - Kataoka, Yasutaka

AU - Miyai, Jiro

AU - Tezuka, Makoto

AU - Takai, Kazuhiko

AU - Oshima, Koichiro

AU - Utimoto, Kiitiro

PY - 1990

Y1 - 1990

N2 - Tantalum (or niobium)-alkyne complexes are produced by treatment of acetylenes with the low-valent tantalum (niobium) derived by zinc reduction of TaCl5 (NbCl5). Substituted 1-naphthols are prepared regioselectively by reaction of o-phthalaldehyde with the tantalum (or niobium)-alkyne complexes in good to excellent yields.

AB - Tantalum (or niobium)-alkyne complexes are produced by treatment of acetylenes with the low-valent tantalum (niobium) derived by zinc reduction of TaCl5 (NbCl5). Substituted 1-naphthols are prepared regioselectively by reaction of o-phthalaldehyde with the tantalum (or niobium)-alkyne complexes in good to excellent yields.

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U2 - 10.1016/S0040-4039(00)94557-X

DO - 10.1016/S0040-4039(00)94557-X

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JO - Tetrahedron Letters

JF - Tetrahedron Letters

IS - 3

ER -

Preparation of 1-naphthols from acetylenes and o-phthalaldehyde using low-valent tantalum and niobium.

Abstract

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