A process is described for producing acetals comprising reacting an aldehyde or a ketone with an alcohol in the presence of a titanium compound having an acetylacetone as a ligand, or in the presence of a compound selected from the group consisting of stannous chloride dihydrate, cerium chloride...
Sign up with one click: Facebook Twitter Google Share on Facebook ketone group Thesaurus Wikipedia Related to ketone group:aldehyde group,alcohol group,Amide group n (Chemistry)chemthe functional group of ketones: a carbonyl group attached to the carbon atoms of two other organic groups ...
Sign up with one click: Facebook Twitter Google Share on Facebook Thesaurus Medical Encyclopedia Wikipedia Related to ketone:Ketone bodies,ketosis ke·tone (kē′tōn′) n. 1.Any of a class of organic compounds, such as acetone, characterized by having a carbonyl group in which the carbon at...
Ketone, any of a class of organic compounds characterized by the presence of a carbonyl group in which the carbon atom is covalently bonded to an oxygen atom. The remaining two bonds are to other carbon atoms or hydrocarbon radicals. The most important k
The compound has the molecular formula: ##STR1## is provided where R is CH 3 , C 3 H 6 , C 7 H 8 , C 6 H 10 , or C 10 H 18 ; R 1 is a carbonyl group (C═O), R 2 is H or --OH (hydroxyl), and R 3 is an aliphatic compound or a silicon compound. The product...
4. The synthesis of ketones involves the reaction of a carbonyl compound with a secondary alcohol.酮的合成涉及到一个卡宾化合物与一种二级醇的反应。 5. This medication contains a ketone group that is responsible for its therapeutic effects.这种药物含有一种酮基,负责其治疗效果。 6. Certain ketone ...
ketonegroup 酮基() 例子: 甾酮 酮糖 也可见: ketone名— 酮名 · 酮类名 查看更多用例•查看其他译文 查看其他译文 © Linguee 词典, 2024 ▾ 外部资源(未审查的) The 9232 is composed of 80% recyclable materials and can be run with a new ...
Raspberry ketone has held GRAS (Generally Recognized as Safe; 21CFR172.515) status since 1965 [1] as an ingredient for use in a food, drug, or cosmetic and is listed under synthetic flavoring substances with the instruction to use minimum quantity that produces intended effect. According to Cod...
is normally the one resulting from axial attack and therefore shows the amino group in an equatorial position〈83JMC416〉. However, reagents with large steric requirements may afford considerable amounts of the thermodynamically less stable, but kinetically favored, axial amino derivatives〈71CRV109〉...
atom and an oxygen (O) double bond, and an alkyl group is composed of a carbon atom bonded to three hydrogen (H) atoms. An alcohol (-OH) is an organic compound composed of at least one hydroxyl group (oxygen bonded to hydrogen) covalently bonded to a carbon atom of an alkyl group....