Iodine assisted palladium catalyzed ring opening of bicyclic hydrazines with organoboronic acids: stereoselective synthesis of functionalized cyclopentenes and alkylidene cyclopentenes

2007 ◽  
Vol 5 (24) ◽  
pp. 4010 ◽  
Author(s):  
S. Anas ◽  
Jubi John ◽  
V. S. Sajisha ◽  
Joshni John ◽  
Rani Rajan ◽  
...  
Keyword(s):  
Ring Opening ◽  
Stereoselective Synthesis ◽  
Organoboronic Acids ◽  
Palladium Catalyzed

α,β-Diaryl unsaturated ketones via palladium-catalyzed ring-opening of cyclopropenones with organoboronic acids

2018 ◽  
Vol 5 (10) ◽  
pp. 1651-1654 ◽  
Author(s):  
Lidong Shan ◽  
Ge Wu ◽  
Miaochang Liu ◽  
Wenxia Gao ◽  
Jinchang Ding ◽  
...  
Keyword(s):  
Ring Opening ◽  
Room Temperature ◽  
Unsaturated Ketones ◽  
Organoboronic Acids ◽  
Palladium Catalyzed

Palladium-catalyzed ring-opening acylation of cyclopropenones with organoboronic acids (aryl and vinylboronic acids) at room temperature has been developed to synthesise α,β-diaryl unsaturated ketones with good yields and excellent stereospecificity.

ChemInform Abstract: Palladium-Catalyzed Ring Opening of Cyclopropane-Appended Spirotricyclic Olefins with Soft Nucleophiles and Organoboronic Acids: Facile Synthesis of Functionalized Spiro[2.4]heptenes.

ChemInform ◽  
2015 ◽  
Vol 46 (12) ◽  
pp. no-no
Author(s):  
Eliyan Jijy ◽  
Praveen Prakash ◽  
Thekke Veettil Baiju ◽  
Manchery Shimi ◽  
Yoshinori Yamamoto ◽  
...  
Keyword(s):  
Ring Opening ◽  
Facile Synthesis ◽  
Organoboronic Acids ◽  
Palladium Catalyzed

Palladium-Catalyzed Ring Opening of Cyclopropane-Appended Spirotricyclic Olefins with Soft Nucleophiles and Organoboronic Acids: Facile Synthesis of Functionalized Spiro[2.4]heptenes

Synthesis ◽  
2014 ◽  
Vol 46 (19) ◽  
pp. 2629-2643 ◽  
Author(s):  
Yoshinori Yamamoto ◽  
Kokkuvayil Radhakrishnan ◽  
Eliyan Jijy ◽  
Praveen Prakash ◽  
Thekke Baiju ◽  
...  
Keyword(s):  
Ring Opening ◽  
Facile Synthesis ◽  
Organoboronic Acids ◽  
Palladium Catalyzed

Palladium-catalyzed domino Heck cyclization/ring opening of sulfolenes/desulfitative coupling: regio- and stereoselective synthesis of alkylated conjugated dienes

2020 ◽  
Vol 7 (18) ◽  
pp. 2731-2736 ◽  
Author(s):  
Xin-Xing Wu ◽  
Hao Ye ◽  
Hong Dai ◽  
Bing Yang ◽  
Yang Wang ◽  
...  
Keyword(s):  
Ring Opening ◽  
Stereoselective Synthesis ◽  
Conjugated Dienes ◽  
Conjugated Diene ◽  
Heck Cyclization ◽  
Palladium Catalyzed

An efficient cascade dienylation provides a range of alkylated conjugated diene compounds with the Z-configuration by introducing the C4 unit directly.

scholarly journals Stereoselective Synthesis of Tetraalkyl Cyclobutene-1,2,3,4-tetracarboxylates. Synthesis of Tetraalkyl (Z,Z)-Buta-1,3-diene-1,2,3,4-tetracarboxylates

1999 ◽  
Vol 23 (8) ◽  
pp. 512-513
Author(s):  
Issa Yavari ◽  
Farahnaz Nourmohammadian
Keyword(s):  
Ring Opening ◽  
Wittig Reaction ◽  
Stereoselective Synthesis ◽  
Intramolecular Wittig Reaction ◽  
Ring Opening Reactions ◽  
Boiling Toluene

Tetraalkyl cyclobutene-1,2,3,4-tetracarboxylates, prepared by intramolecular Wittig reaction between a vinylphosphonium salt and diethyl 2-oxobutanedioate, undergo electrocyclic ring-opening reactions, in boiling toluene, to produce highly electron-deficient 1,3-dienes.

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