An efficient one-pot solvent-free synthesis and photophysical properties of 9-aryl/alkyl-octahydroxanthene-1, 8-diones
A facile and efficient protocol for the synthesis of 9-aryl/alkyl-3, 3, 6, 6-tetramethyl-1, 2, 3, 4,
5, 6, 7, 8-octahydroxanthene-1, 8-diones has been developed by one-pot reaction of …
5, 6, 7, 8-octahydroxanthene-1, 8-diones has been developed by one-pot reaction of …
Phosphorus pentoxide supported on silica gel and alumina (P2O5/SiO2, P2O5/Al2O3) as useful catalysts in organic synthesis
H Eshghi, A Hassankhani - Journal of the Iranian Chemical Society, 2012 - Springer
Phosphorus pentoxide supported on silica gel or alumina (P 2 O 5/SiO 2, P 2 O 5/Al 2 O 3)
has been used in many organic transformations as versatile solid catalysts. These catalysts …
has been used in many organic transformations as versatile solid catalysts. These catalysts …
Application of cyclic-1, 3-diketones in domino and multicomponent reactions: facile route to highly functionalized chromeno [2, 3-d] pyrimidinones and diazabenzo [b] …
A facile and efficient protocol for the synthesis of chromeno [2, 3-d] pyrimidinones and
diazabenzo [b] fluorenones has been developed by one-pot three-component …
diazabenzo [b] fluorenones has been developed by one-pot three-component …
Regioselective synthesis of tetrahydrothiochromen-5-ones via a one-pot three-component solvent-free domino protocol
A highly efficient one-pot three-component regioselective synthesis of 4-aryl-3-aroyl-2-
methylsulfanyl-4, 6, 7, 8-tetrahydrothiochromen-5-ones has been developed by annulation …
methylsulfanyl-4, 6, 7, 8-tetrahydrothiochromen-5-ones has been developed by annulation …
Recent developments in the greener approaches for the dithioacetalization of carbonyl compounds
B Roy - Journal of Sulfur Chemistry, 2023 - Taylor & Francis
The protection of carbonyl functional groups via dithioacetalization with thiols or dithiols
plays a significant role in multi-step organic syntheses, such as natural products and drug …
plays a significant role in multi-step organic syntheses, such as natural products and drug …
Polyvinylpolypyrrolidone-supported boron trifluoride (PVPP-BF3): Mild and efficient catalyst for the synthesis of 14-aryl-14H-dibenzo [a, j] xanthenes and bis …
M Mokhtary, S Refahati - Dyes and Pigments, 2013 - Elsevier
A convenient and an efficient method for the synthesis of 14-aryl-14H-dibenzo [a, j]
xanthenes and bis (naphthalen-2-yl-sulfane) derivatives is described. The reaction …
xanthenes and bis (naphthalen-2-yl-sulfane) derivatives is described. The reaction …
The one-pot synthesis of 14-aryl or alkyl-14H-dibenzo [a, j] xanthenes catalyzed by P2O5/Al2O3 under microwave irradiation
A convenient and efficient procedure for the synthesis of 14-aryl or alkyl-14H-dibenzo [a, j]
xanthenes by condensation of 2-naphthol and aldehydes in the presence of P2O5/Al2O3 is …
xanthenes by condensation of 2-naphthol and aldehydes in the presence of P2O5/Al2O3 is …
Synthesis of 6-amino-4-aryl-3-methyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitriles by heterogeneous reusable catalysts
HR Shaterian, M Kangani - Research on Chemical Intermediates, 2014 - Springer
A new, efficient and environmentally benign protocol for the one-pot, four-component
synthesis of 1, 4-dihydropyrano [2, 3-c] pyrazoles by reaction of hydrazine monohydrate …
synthesis of 1, 4-dihydropyrano [2, 3-c] pyrazoles by reaction of hydrazine monohydrate …
An efficient and selective method for the iodination and bromination of alcohols under mild conditions
A straightforward and effective procedure for the conversion of a variety of alcohols into the
corresponding alkyl iodides and bromides is described using KX/P 2 O 5 (X= I, Br). The …
corresponding alkyl iodides and bromides is described using KX/P 2 O 5 (X= I, Br). The …
P2O5/Al2O3 as an Efficient Heterogeneous Catalyst for the Acetylation of Alcohols, Phenols, Thiols, and Amines Under Solvent-Free Conditions
A convenient, rapid, and efficient method for the acetylation of alcohols, phenols, thiols, and
amines has been developed by using acetic anhydride in the presence of a catalytic amount …
amines has been developed by using acetic anhydride in the presence of a catalytic amount …