PtCl_2-catalyzed cyclization of o-diethynylbenzene derivatives triggered by intramolecular nucleophilic attack

Miki K.; Kuge H.; Umeda R.; Sonoda M.; Tobe Y.

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PtCl_2-catalyzed cyclization of o-diethynylbenzene derivatives triggered by intramolecular nucleophilic attack

机译：分子内亲核攻击引发PtCl_2催化邻二乙炔基苯衍生物的环化

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(Chemical Equation Presented) PtCl_2-catalyzed cyclization of o-diethynylbenzene derivatives bearing a hydroxyethyl group yielded naphthofuran derivatives by initial intramolecular cyclization of the hydroxy group to an activated ethynyl group followed by attack of the second ethynyl group to a vinylplatinum intermediate. When the ethynyl terminal is substituted by a hydroxypropyl group, not only homologous naphthodihydropyran but also indenylidenete-trahydrofuran derivatives were formed.

机译：（提出的化学方程式）PtCl_2催化的带有羟基乙基的邻二乙炔基苯衍生物的环化反应是通过将羟基首先分子内环化为活化的乙炔基，然后将第二个乙炔基进攻到乙烯基铂中间体上而生成的萘呋喃衍生物。当乙炔基末端被羟丙基基团取代时，不仅形成了同源萘二氢吡喃，而且还形成了茚基亚乙基-四氢呋喃衍生物。

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《Synthetic Communications》 |2011年第9期|共11页
作者
Miki K.; Kuge H.; Umeda R.; Sonoda M.; Tobe Y.;
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正文语种 eng
中图分类有机化学;
关键词
Cyclization; Dihydronaphthofuran; Lewis acid; Nucleophilic addition; o-diethynylbenzene;

机译：环化;二氢萘呋喃;路易斯酸;亲核加成;邻二乙炔基苯;

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1. PtCl_2-catalyzed cyclization of o-diethynylbenzene derivatives triggered by intramolecular nucleophilic attack [J] . Miki K., Kuge H., Umeda R., Synthetic Communications . 2011,第7a9期

机译：分子内亲核攻击引发PtCl_2催化邻二乙炔基苯衍生物的环化
2. Cleavage of C-Si bond by intramolecular nucleophilic attack:lithiation-promoted formation of siloles from 1-bromo-4-trisubstituted silyl-1,3-butadiene derivatives [J] . Zhihui Wang, Hongyun Fang, Zhenfeng Xi Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry . 2005,第3期

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3. Expanding the Reactivity of Donor-Acceptor Cyclopropanes: Synthesis of Benzannulated Five-Membered Heterocycles via Intramolecular Attack of a Pendant Nucleophilic Group [J] . Iyanova Olga A., Andronov Vladimir A., Vasin Vladimir S., Organic letters . 2018,第24期

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4. One-pot 2 ＋ 2 cyclization/nucleophilic addition of o-alkynyl-O-allenyl phenol leading to cyclobutacchromene derivatives [C] . Shohei Ohno, Avena Ramon, Hiromichi Fujioka 日本化学会春季年会講演予稿集 . 2018

机译：一锅2 + 2环化/亲核加入O-炔基-O-苯甲酸苯酚，其导致Cyclobuta C Chrome衍生物
5. Bifunctional cyclooctynes in copper-free click chemistry for applications in radionuclide chemistry and 4-alkylpyridine derivatives in intramolecular dearomatization and heterocycle synthesis. [D] . Guddehalli Parameswarappa, Sharavathi. 2011

机译：无铜点击化学中的双功能环辛炔，用于放射性核素化学中； 4-烷基吡啶衍生物用于分子内脱芳香化和杂环合成中。
6. Lewis Acid-Catalyzed Indole Synthesis via Intramolecular Nucleophilic Attack of Phenyldiazoacetates to Iminium Ions [O] . Lei Zhou, Michael P. Doyle -1

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7. Structural Mimics of Acetylene Hydratase: Tungsten Complexes Capable of Intramolecular Nucleophilic Attack on Acetylene [O] . Carina Vidovič, Lydia M. Peschel, Michael Buchsteiner, 2019

机译：乙炔水溶生的结构模拟物：丙酮化合物对乙炔的分子内亲核发作

PtCl_2-catalyzed cyclization of o-diethynylbenzene derivatives triggered by intramolecular nucleophilic attack

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