Total Synthesis of the Gastroprotective Substance AI-77-B and of Analogues
作者:Jean-Marc Durgant、Pierre Vogel
DOI:10.1002/hlca.19930760116
日期:1993.2.10
(3S)-3-[(1′S)-1′-amino-3′-methylbutyl]-3,4-dihydro-8-hydroxyisocoumarin hydrochloride ((−)-2); the resulting mixtures of diastereoisomeric amides were transformed and separated to give the gastroprotectivesubstanceAI-77-B((−)-1) and analogues.
Synthesis of
<i>o</i>
‐Bis(3‐indolyl)arenes under Brønsted Acid Catalysis: Carbonyl Compounds as Sources of Aryl Groups
作者:Rei Tokunaga、Takumi Okusa、Teruhisa Tsuchimoto
DOI:10.1002/adsc.202201340
日期:——
synthesizing o-bis(3-indolyl)arenes was developed by reacting indoles with 7-oxabicyclo[2.2.1]hept-5-en-2-one and derivatives thereof having no aromatic ring. All 23 unknown o-bis(3-indolyl)arenes could be obtained using this method. Palladium catalysis is useful for enlarging the π-conjugated area of o-bis(3-indolyl)arenes, delivering aryl-, alkynyl-, and alkenyl-unit-installed o-bis(3-indolyl)arenes, and
开发了一种由吲哚与7-氧杂双环[2.2.1]hept-5-en-2-one及其无芳环衍生物反应合成邻-双(3-吲哚基)芳烃的方法。所有 23 种未知的o -bis(3-indolyl)arenes 都可以使用这种方法获得。钯催化可用于扩大o -双(3-吲哚基)芳烃的 π- 共轭区域,提供芳基、炔基和烯基单元安装的o -双(3-吲哚基)芳烃和苯并 [ c ]吲哚[2,3- a ]咔唑类,衍生化可有效提高荧光量子产率。基于几项机理研究提出了一种可能的反应机理。
Control of the Regioselectivity in the Pauson−Khand Reaction of 7-Oxanorbornene Derivatives
作者:Odón Arjona、Aurelio G. Csákÿ、M. Carmen Murcia、Joaquín Plumet
DOI:10.1021/jo9903095
日期:1999.10.1
The regiochemistry of the Pauson-Khand reaction of 7-oxanorbornene derivatives can be influenced by a remote substituent at carbon C-2. Furthermore, a remarkable effect on the regiochemical outcome of this reaction was observed by halide substituents in the olefin carbons, which may be utilized as an element of control of regioselectivity.
Meerpoel Lieven, Vrahami Maria-Miranda, Deguin Brigitte, Vogel Pierre, Helv. chim. acta, 77 (1994) N 3, S 869-881
作者:Meerpoel Lieven, Vrahami Maria-Miranda, Deguin Brigitte, Vogel Pierre