A Synthetic Route to Highly Substituted 1,2,3,4-Tetrahydroisoquinolines via Yb(OTf)3-Catalyzed Diastereoselective Ring Opening of Bridged Oxazolidines: Asymmetric Synthesis of 2-Azapodophyllotoxin

2011 ◽  
Vol 17 (17) ◽  
pp. 4905-4913 ◽  
Author(s):  
Ajay Kumar Srivastava ◽  
Minseob Koh ◽  
Seung Bum Park
Keyword(s):  
Asymmetric Synthesis ◽  
Ring Opening ◽  
Synthetic Route

scholarly journals Synthesis of 3,3-Diaryl/Heteroarylpropylamines via Nucleophilic Ring Opening of Activated Azetidines with Arenes and Heteroarenes: New Synthetic Route to (±)Tolterodine

ACS Omega ◽  
2018 ◽  
Vol 3 (12) ◽  
pp. 17562-17572 ◽  
Author(s):  
Gaurav Goswami ◽  
Navya Chauhan ◽  
Abhijit Mal ◽  
Subhomoy Das ◽  
Mowpriya Das ◽  
...  
Keyword(s):  
Ring Opening ◽  
Synthetic Route ◽  
Nucleophilic Ring Opening

Asymmetric synthesis of indolizidine alkaloids by ring-closing–ring-opening metathesis

2000 ◽  
pp. 1501-1502 ◽  
Author(s):  
Huib Ovaa ◽  
Gijs A. van der Marel ◽  
Jacques H. van Boom ◽  
Roland Stragies ◽  
Siegfried Blechert
Keyword(s):  
Asymmetric Synthesis ◽  
Ring Opening ◽  
Indolizidine Alkaloids

ChemInform Abstract: Asymmetric Synthesis of α-Methyl Carboxylic Acid Derivatives. Stereochemistry in Acidic Ring Opening of Epoxides.

ChemInform ◽  
2010 ◽  
Vol 22 (51) ◽  
pp. no-no
Author(s):  
M. FUKUMASA ◽  
K. FURUHASHI ◽  
J. UMEZAWA ◽  
O. TAKAHASHI ◽  
T. HIRAI
Keyword(s):  
Carboxylic Acid ◽  
Asymmetric Synthesis ◽  
Ring Opening ◽  
Ring Opening Of Epoxides

Reductive umpolung for asymmetric synthesis of chiral α-allenic alcohols

2020 ◽  
Vol 56 (54) ◽  
pp. 7471-7474
Author(s):  
Yui Kondo ◽  
Kazunori Nagao ◽  
Hirohisa Ohmiya
Keyword(s):  
Asymmetric Synthesis ◽  
Synthetic Route

Copper-catalyzed reductive umpolung provides a new synthetic route to chiral α-allenic alcohols.

Ring-Opening Hydrofluorination of 2,3- and 3,4-Epoxy Amines by HBF4·OEt2: Application to the Asymmetric Synthesis of (S,S)-3-Deoxy-3-fluorosafingol

2011 ◽  
Vol 76 (11) ◽  
pp. 4617-4627 ◽  
Author(s):  
Alexander J. Cresswell ◽  
Stephen G. Davies ◽  
James A. Lee ◽  
Melloney J. Morris ◽  
Paul M. Roberts ◽  
...  
Keyword(s):  
Asymmetric Synthesis ◽  
Ring Opening

A synthetic route to 1,4-disubstituted tetrahydro-β-carbolines and tetrahydropyranoindoles via ring-opening/Pictet–Spengler reaction of aziridines and epoxides with indoles/aldehydes

2020 ◽  
Vol 18 (2) ◽  
pp. 272-287 ◽  
Author(s):  
Imtiyaz Ahmad Wani ◽  
Gaurav Goswami ◽  
Sahid Sk ◽  
Abhijit Mal ◽  
Masthanvali Sayyad ◽  
...  
Keyword(s):  
Ring Opening ◽  
Synthetic Route ◽  
High Yields

A route to 1,4-disubstituted tetrahydro-β-carbolines and tetrahydropyrano[3,4-b]indoles in high yields and stereoselectivity via SN2-type ring opening/Pictet–Spengler reaction of aziridines and epoxides with indoles is described.

Asymmetric Synthesis of 2,3-Dihydropyrroles by Ring-Opening/Cyclization of Cyclopropyl Ketones Using Primary Amines

2014 ◽  
Vol 54 (1) ◽  
pp. 227-230 ◽  
Author(s):  
Yong Xia ◽  
Xiaohua Liu ◽  
Haifeng Zheng ◽  
Lili Lin ◽  
Xiaoming Feng
Keyword(s):  
Asymmetric Synthesis ◽  
Ring Opening ◽  
Primary Amines ◽  
Cyclopropyl Ketones
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