scholarly journals Novel Aspects of the Silver Carbonate Promoted Reaction of Hydrazonyl Chlorides with Homoallylic And Homopropargylic Alcohols

Heterocycles ◽  
1997 ◽  
Vol 45 (10) ◽  
pp. 1945 ◽  
Author(s):  
Gaetano Zecchi ◽  
Gianluigi Broggini ◽  
Luisa Garanti ◽  
Giorgio Molteni

Heterocycles ◽  
1995 ◽  
Vol 40 (2) ◽  
pp. 777 ◽  
Author(s):  
Gaetano Zecchi ◽  
Luisa Garanti ◽  
Giorgio Molteni


2017 ◽  
Vol 82 (22) ◽  
pp. 11787-11791 ◽  
Author(s):  
Bruno V. M. Teodoro ◽  
Luiz F. Silva


ChemInform ◽  
2007 ◽  
Vol 38 (34) ◽  
Author(s):  
Nacira Alouane ◽  
Emmanuel Vrancken ◽  
Pierre Mangeney


2014 ◽  
Vol 453 ◽  
pp. 36-41 ◽  
Author(s):  
Lingling Zhang ◽  
Yunhui Gong ◽  
Jacob Yaggie ◽  
Siwei Wang ◽  
Kevin Romito ◽  
...  


1964 ◽  
Vol 42 (3) ◽  
pp. 532-538 ◽  
Author(s):  
R. U. Lemieux ◽  
B. Fraser-Reid

The bromination of D-glucal triacetate gave a mixture of tri-O-acetyl-2-bromo-2-deoxyglycopyranosyl bromides containing about 60% and 30% of the compounds with the α-D-gluco and α-D-manno configurations, respectively. Reaction of the bromides with methanol in the presence of silver carbonate proceeded almost entirely with inversion of the reacting anomeric centers. Hydrogenolysis of the product of methanolysis gave methyl 2-deoxy-β-D-glucopyranoside. Reaction of D-glucal triacetate with either bromine, chlorine, or iodine in methanol containing silver acetate gave in each case about 60–65% and 35–40% yields of the corresponding methyl 2-deoxy-2-halogeno-α-D-mannopyranoside and -β-D-glucopyranoside triacetates. The mechanisms of the reactions are discussed.



1991 ◽  
Vol 183 ◽  
pp. 279-287 ◽  
Author(s):  
Yutaka Sawada ◽  
Noriyuki Kanou ◽  
Nobuyasu Mizutani


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