The First Facile Synthesis of Some 1,2a,3,8b-Tetrahydro-2H-Cyclobuta[c] Chromenes Through Intramolecular Alkylation of an Aromatic Ring by a Cyclobutanone

Synlett ◽  
2002 ◽  
Vol 2002 (05) ◽  
pp. 0796-0798 ◽  
Author(s):  
Angela M. Bernard ◽  
Costantino Floris ◽  
Angelo Frongia ◽  
Pier P. Piras
1975 ◽  
Vol 53 (10) ◽  
pp. 1480-1483 ◽  
Author(s):  
Jean-Rock Brindle ◽  
Jean-Louis Liard

Sulfurated sodium borohydride reacts with benzylic halides to give high yields of α-toluenethiol or benzylic polysulfldes depending upon the experimental conditions and the mode of hydrolysis.Aliphatic halides and dibenzylic halides react in the same manner as benzylic halides for a given experimental condition whereas benzylic halides substituted with other groups can be totally or partially reduced depending on the stability of the substituent towards NaBH2S3.Halogens directly attached on the aromatic ring do not react with NaBH2S3.


1974 ◽  
Vol 27 (6) ◽  
pp. 1269 ◽  
Author(s):  
DJ Beames ◽  
TR Klose ◽  
LN Mander

The acid-catalysed reactions in weakly nucleophilic environments of 2-diazoacetyl-l,2,3,4-tetrahydronaphthalene (ll), of 6-diazoacetyl-5,6,7,8-tetrahydro-2-naphthol (2), of 6-diazoacetyl-5,6,7,8- tetrahydro-2-naphthyl methyl ether (3) and its 2,8 and 2,5 isomers (14) and (17), and of 6-diazo- acetyl-5,6,7,8-tetrahydro-6-trifluoroacetoxy-2-naphthyl methyl ether (9) have been studied. Several of the spirocyclohexa-2,5-dienone derivatives prepared thus, (4), (8) and (16), provide potential intermediates or models for the synthesis of tetracyclic diterpenoids.


1999 ◽  
Vol 38 (3) ◽  
pp. 496-506 ◽  
Author(s):  
Shinzi Kato ◽  
Nobuyuki Kitaoka ◽  
Osamu Niyomura ◽  
Yuka Kitoh ◽  
Takahiro Kanda ◽  
...  

Heterocycles ◽  
2012 ◽  
Vol 85 (7) ◽  
pp. 1711 ◽  
Author(s):  
Kenji Yoshikawa ◽  
Tsutomu Nagata ◽  
Toshiharu Yoshino ◽  
Noriyasu Haginoya ◽  
Ryo Muto ◽  
...  

2016 ◽  
Vol 4 (9) ◽  
pp. 3278-3286 ◽  
Author(s):  
C. Engelbrekt ◽  
N. Šešelj ◽  
R. Poreddy ◽  
A. Riisager ◽  
J. Ulstrup ◽  
...  

Atomically thin platinum shells on gold nanoparticles (NPs) are synthesized in one pot under mild conditions. The core-shell NPs exhibit excellent catalysis for energy related processes such as electrochemical oxidation of biofuels, aromatic ring hydrogenation, and γ-valerolactone production.


Sign in / Sign up

Export Citation Format

Share Document