ketenes

英式音标：['kɪtnz]

美式音标：['kɪtnz]

词义：

释义

烯酮类；

英英释义

Ketene

A ketene is an organic compound of the form R'RC=C=O. The term is also used specifically to mean ethenone, the simplest ketene, where R' and R are hydrogen atoms.

以上来源于:Wikipedia

用法：

权威例句

[4+2] cycloaddition of ketenes with N-benzoyldiazenes catalyzed by N-heterocyclic carbenes

Autoxidation of ketenes. Diradicaloid and zwitterionic mechanisms of reactions of triplet molecular oxygen and ketenes

ChemInform Abstract: [4 + 2] Cycloaddition of Ketenes with N‐Benzoyldiazenes Catalyzed by N‐Heterocyclic Carbenes

The development of the first catalyzed reaction of ketenes and imines: catalytic, asymmetric synthesis of beta-lactams

Infrared Spectrum and Vibrational Potential Function of Ketene and the Deuterated Ketenes

CO Fixation to Stable Acyclic and Cyclic Alkyl Amino Carbenes: Stable Amino Ketenes with a Small HOMO–LUMO Gap

Chiral N-Heterocyclic Carbene Catalyzed Staudinger Reaction of Ketenes with Imines:  Highly Enantioselective Synthesis of N-Boc β-...

C(2)-symmetric Cu(II) complexes as chiral lewis acids. Catalytic, enantioselective cycloadditions of silyl ketenes.

ChemInform Abstract: Cascade Radical Cyclizations via Biradicals Generated from Enediynes, Enyne-Allenes, and Enyne-Ketenes

Synthetic approaches to adriamycin involving Diels-Alder reactions of photochemically generated bisketenes. Total synthesis of islan...

造句：

1. Ketenes notably dimethyl ketene readily undergo oligomerization and polymerization.

烯酮，特别是二甲基烯酮，很容易齐聚和聚合。

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2. Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization.

烯酮，特别是二甲基烯酮，很容易齐聚和聚合。

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3. Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization.

烯酮，特别是二甲基烯酮，很容易齐聚和。

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4. As open-chain hydroxy aldehydes and hydroxyl ketenes, the monosaccharides are very reactive.

以开链的羟基醛和羟基酮形式存在的单糖非常活泼。

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5. The structures, the preparations, and the applications in organic synthesis of ketenes are reported in this paper.

本文介绍了烯酮的结构、制备及其在有机合成中的应用。

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6. A great achievement has been made recently for ketenes in theory and applications, which is an active organic reagent.

烯酮作为一种化学性质非常活泼的有机试剂，其理论与应用研究近年来取得了令人瞩目的进展。

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7. Chiral imine 1 derived from (r) glyceraldehyde acetonide could rapidly react with ketenes 2 which was converted from mixed anhydride or acid chloride under mild conditions.

由(R)-丙叉甘油醛得到的手性亚胺1能与烯酮2在温和条件下迅速反应。

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8. Chiral imine 1 derived from (r) glyceraldehyde acetonide could rapidly react with ketenes 2 which was converted from mixed anhydride or acid chloride under mild conditions.

由(R)-丙叉甘油醛得到的手性亚胺1能与烯酮2在温和条件下迅速反应。

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