Solvent and catalyst free ring expansion of indoles: a simple synthesis of highly functionalized benzazepines

2018 ◽  
Vol 16 (43) ◽  
pp. 8160-8168 ◽  
Author(s):  
Manickam Bakthadoss ◽  
Polu Vijay Kumar ◽  
Tadiparthi Thirupathi Reddy ◽  
Duddu S. Sharada
Keyword(s):  
Ring Expansion ◽  
Simple Synthesis ◽  
Indole Derivatives ◽  
Free Ring ◽  
Ring Contraction ◽  
Catalyst Free

Highly functionalized benzazepines have been synthesized from indoles via ring expansion. Ring contraction of benzazepines to indole derivatives has also been acheived in excellent yields.

One-pot, catalyst-free synthesis of novel dihydropyrano[2,3-e]indole derivatives

2021 ◽  
Vol 33 ◽  
pp. 100693
Author(s):  
Visarapu Malathi ◽  
Shantholla Shivani ◽  
K Bhaskar ◽  
Vinod G. Ugale ◽  
Pannala Padmaja ◽  
...  
Keyword(s):  
Indole Derivatives ◽  
One Pot ◽  
Catalyst Free

A study of multiple ring expansion and ring contraction rearrangements in observable cycloalkyl cations

1978 ◽  
Vol 100 (16) ◽  
pp. 5134-5140 ◽  
Author(s):  
Roger P. Kirchen ◽  
Ted S. Sorensen ◽  
Kim E. Wagstaff
Keyword(s):  
Ring Expansion ◽  
Ring Contraction ◽  
Multiple Ring

Palladium-Catalyzed Ring-Contraction and Ring-Expansion Reactions of Cyclic Allyl Amines

2011 ◽  
Vol 50 (26) ◽  
pp. 5924-5926 ◽  
Author(s):  
Igor Dubovyk ◽  
Dmitry Pichugin ◽  
Andrei K. Yudin
Keyword(s):  
Ring Expansion ◽  
Ring Contraction ◽  
Palladium Catalyzed

Catalyst-free coupling of indole derivatives with 3,4-dihydroisoquinoline and related compounds

2013 ◽  
Vol 54 (37) ◽  
pp. 5069-5071 ◽  
Author(s):  
István Szatmári ◽  
Judit Sas ◽  
Ferenc Fülöp
Keyword(s):  
Indole Derivatives ◽  
Catalyst Free ◽  
Related Compounds

Catalyst-free synthesis of oxazol-2(3H)-ones from sulfilimines and diazo compounds through a tandem rearrangement/aziridination/ring-expansion reaction

2021 ◽  
Author(s):  
Lina Song ◽  
Xianhai Tian ◽  
Chunyu Han ◽  
Mehran Amanpur ◽  
Frank Rominger ◽  
...  
Keyword(s):  
Drug Development ◽  
Organic Synthesis ◽  
Significant Role ◽  
Ring Expansion ◽  
Diazo Compounds ◽  
Catalyst Free ◽  
Ring Expansion Reaction

Oxazol-2(3H)-ones play a significant role in the fields of organic synthesis and drug development.

Sign in / Sign up

Export Citation Format

Share Document