...A general term for compounds represented by the general formula R 1 R 2 C=NR 3 (R 1 , R 2 , R 3 are alkyl groups or aromatic rings). Named after its discoverer, German Hugo Schiff (1834-1915), they are also called imines or azomethine imines. They are synthesized by the dehydration condensation reaction of aldehydes or ketones with primary amines, and some are known to be solid at room temperature (Table). Schiff bases derived from lower aliphatic aldehydes are prone to polymerization and exist as trimers. ... *Some of the terminology that mentions "Schiff, H." is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…一般式R1R2C=NR3(R1,R2,R3はアルキル基または芳香環)で表される化合物の総称。発見者であるドイツのシッフHugo Schiff(1834‐1915)にちなんで名づけられ,イミンまたはアゾメチンイミンとも呼ばれている。アルデヒドまたはケトンと第一アミンとの脱水縮合反応により合成され,室温で固体のものも知られている(表)。低級脂肪族アルデヒドから生じるシッフ塩基は重合しやすく,三量体として存在する。… ※「Schiff,H.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
An image in which an object (or its image) appear...
A type of cloth shielding device. While manmaku (...
The ancient name of the Palestinian region. Its or...
A social activist and China scholar in the Showa ...
Rule by a minority. Also called oligarchy. Plato ...
A type of Western confectionery. A dough made fro...
A Japanese sake from Aichi. The name of the sake w...
...Also called HI region. A region where neutral ...
Abbreviation for Gala spinning. A spinning method...
The term "maritime zone" refers to the a...
→ Ashikaga Yoshitane Source : Heibonsha Encycloped...
A method to extract extremely small amounts of ura...
A Noh actor in the early Edo period. The son of a...
Born 1562, near Taunton, Somerset [died] October 1...
Born: September 15, 1834 in Dresden Died April 28,...