Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Suribabu Jammi"'
Publikováno v:
Journal of Organic Chemistry
Journal of Organic Chemistry, American Chemical Society, 2013, 78 (24), pp.12566-12576. ⟨10.1021/jo4022293⟩
Journal of Organic Chemistry, 2013, 78 (24), pp.12566-12576. ⟨10.1021/jo4022293⟩
Journal of Organic Chemistry, American Chemical Society, 2013, 78 (24), pp.12566-12576. ⟨10.1021/jo4022293⟩
Journal of Organic Chemistry, 2013, 78 (24), pp.12566-12576. ⟨10.1021/jo4022293⟩
Allenylzinc formed via oxygen-promoted zinc/iodine exchange between propargyl iodides and diethylzinc can be trapped by intramolecular reaction with various electrophiles such as aldehydes, ketones, esters, carbamates, and imides. Potentially useful
Publikováno v:
Tetrahedron: Asymmetry. 23:101-107
Stereoregular non-linear chiral main chain polymers 1a–b bonded alternatively with (R,R)-salen and 1,4-diethynyl-2,5-dioctyloxybenzene moieties have been synthesized using palladium catalyzed C–C cross-coupling and Schiff base formation reactions
Autor:
Ashif Ali, Rajesh Paul, Dipti S. Kundu, Sekarpandi Sakthivel, Sankarganesh Krishnamoorthy, Prasenjit Saha, Suribabu Jammi, Tharmalingam Punniyamurthy
Publikováno v:
Synlett. 2009:3323-3327
The amidation of aryl iodides using Cu 2 O nanoparticles is described. It is a heterogeneous process, no leaching of the Cu 2 O species occurs, and the catalyst can be recovered and recycled without loss of activity.
Publikováno v:
European Journal of Inorganic Chemistry. 2009:2508-2511
The copper(II) open cubane 1 has been synthesized and its structure determined. It is insoluble in water and efficiently catalyzes the Henry reaction with high yield.
Autor:
Sekarpandi Sakthivel, Sridhar Sanyashi, Tharmalingam Punniyamurthy, Prasenjit Saha, Suribabu Jammi
Publikováno v:
Tetrahedron. 64:11724-11731
Chiral binuclear copper(II) Schiff base complexes 4a–g have been prepared from aldehydes 1a,b, (S)-amino alcohols 2a–f, and Cu(OAc)2·1H2O in high yield. Their catalysis is studied for the addition of nitroalkanes to aldehydes at ambient conditio
Publikováno v:
Advanced Synthesis & Catalysis. 350:395-398
Cadmium diacetate dihydrate [Cd-(OAc) 2 ·2H 2 O] in combination with ethylene glycol catalyzes efficiently the C-N cross-coupling of amines with aryl iodides by a benzyne mechanism. Alkyl, aryl and heterocyclic amines are compatible with this system
Publikováno v:
Tetrahedron Letters. 49:1484-1487
NiCl2·6H2O efficiently catalyzes the C–S bond formation by the cross-coupling of aryl iodides with thiols in tetrabutylammonium bromide (TBAB) in excellent yield. The reaction functions in air and the NiLn-TBAB can be recovered and recycled withou
Publikováno v:
European Journal of Organic Chemistry. 2008:640-643
CuI efficiently catalyzes the C–S cross coupling of thiols with aryl halides in the presence of tetrabutylammonium bromide in water. The reactions with aryl thiols that have electron-withdrawing and -donating substituents are comparable and afford
Publikováno v:
Tetrahedron: Asymmetry. 18:2016-2020
The synthesis of chiral polymers 1 bonded alternatively with salen and 1,4-dialkoxy-2,6-diethynylbenzene was accomplished. These polymers are recyclable and catalyze the Et 2 Zn addition to aldehydes with good enantioselectivity.
Publikováno v:
ChemInform. 45
The in situ formed allenylzinc derivatives can be trapped intermolecularly by various electrophiles such as aldehydes, ketones, esters, carbamates, and imides to form bicyclic allenyl alcohols [e.g. (II)], bicyclic conjugated ketones [e.g. (VII)], or