Gold(i)-catalyzed tandem cyclization of cyclopropylidene-tethered propargylic alcohols: an approach to functionalized naphtho[2,3-c]pyrans

2020 ◽  
Vol 56 (64) ◽  
pp. 9154-9157
Author(s):  
Jian Li ◽  
Fang Yang ◽  
Weiwei Hu ◽  
Bo Ren ◽  
Zi-Sheng Chen ◽  
...  
Keyword(s):  
Ring Opening ◽  
Propargylic Alcohols ◽  
Enyne Cyclization ◽  
Tandem Cyclization

An unprecedented gold(i)-catalyzed cyclization of cyclopropylidene-tethered ynols via a 6-endo-dig enyne cyclization followed by a ring-opening of cyclopropane and nucleophilic closure reaction to construct naphtho[2,3-c]pyrans was developed.

scholarly journals Enol Ester as an Olefinic Partner in Enyne Cyclization. A Novel Tandem Cyclization to Stereodefined Bicyclo[3.3.0]octenes.

ChemInform ◽  
2003 ◽  
Vol 34 (31) ◽  
Author(s):  
Hirokazu Urabe ◽  
Daisuke Suzuki ◽  
Misa Sasaki ◽  
Fumie Sato
Keyword(s):  
Enyne Cyclization ◽  
Tandem Cyclization ◽  
Enol Ester

Ytterbium(III) Trifluoromethanesulfonate Catalyzed Ring-Opening C(sp3 )−N Bond Formation of Benzoxazoles with Propargylic Alcohols

ChemCatChem ◽  
2016 ◽  
Vol 8 (18) ◽  
pp. 2894-2897 ◽  
Author(s):  
Wenfei Liu ◽  
Yongqing Sun ◽  
Haiying Zhao ◽  
Baoguo Li ◽  
Shufeng Chen
Keyword(s):  
Ring Opening ◽  
Bond Formation ◽  
Propargylic Alcohols

Enol Ester as an Olefinic Partner in Enyne Cyclization. A Novel Tandem Cyclization to Stereodefined Bicyclo[3.3.0]octenes

2003 ◽  
Vol 125 (14) ◽  
pp. 4036-4037 ◽  
Author(s):  
Hirokazu Urabe ◽  
Daisuke Suzuki ◽  
Misa Sasaki ◽  
Fumie Sato
Keyword(s):  
Enyne Cyclization ◽  
Tandem Cyclization ◽  
Enol Ester

Diastereoselective synthesis ofcis-1,3-disubstituted isoindolinesviaa highly site-selective tandem cyclization reaction

2018 ◽  
Vol 5 (12) ◽  
pp. 1950-1956 ◽  
Author(s):  
Siyang Xing ◽  
Hong Cui ◽  
Jiajing Qin ◽  
Nan Gu ◽  
Bowei Zhang ◽  
...  
Keyword(s):  
Michael Addition ◽  
Ring Opening ◽  
Cyclization Reaction ◽  
Tandem Reaction ◽  
Diastereoselective Synthesis ◽  
Tandem Cyclization ◽  
Site Selective

A highly site-selective tandem reaction involving regioselective ring opening of aziridines and Michael addition of electron-deficient alkenes has been described.

Amino-functional polyethers: versatile, stimuli-responsive polymers

2020 ◽  
Vol 11 (24) ◽  
pp. 3940-3950 ◽  
Author(s):  
Patrick Verkoyen ◽  
Holger Frey
Keyword(s):  
Ring Opening ◽  
Review Article ◽  
Stimuli Responsive ◽  
New Class ◽  
Stimuli Responsive Polymers ◽  
Responsive Polymers

Amino-functional polyethers have emerged as a new class of “smart”, i.e. pH- and thermoresponsive materials. This review article summarizes the synthesis and applications of these materials, obtained from ring-opening of suitable epoxide monomers.

Remote C(sp3)–H vinylation via radical-mediated consecutive fission of C–H and C–C bonds

2020 ◽  
Vol 7 (19) ◽  
pp. 2981-2985
Author(s):  
Tao Niu ◽  
Shan Yang ◽  
Xinxin Wu ◽  
Chen Zhu
Keyword(s):  
Propargylic Alcohols

Described herein is a radical-mediated vinylation of the remote C(sp3)–H bonds of propargylic alcohols.

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