@article { ISI:000238142900019, title = {Synthesis of beta-amino alcohols from aromatic amines and alkylene carbonates using Na-Y zeolite catalyst}, journal = {Synlett}, number = {9}, year = {2006}, month = {JUN}, pages = {1374-1378}, publisher = {GEORG THIEME VERLAG KG}, type = {Article}, address = {RUDIGERSTR 14, D-70469 STUTTGART, GERMANY}, abstract = {

A simple, efficient, and environmentally benign methodology for the synthesis of beta-amino alcohols from aromatic amines and alkylene carbonates in the presence of the highly active and reusable solid base catalyst Na-Y zeolite is demonstrated.

}, keywords = {Alkylation, alkylene carbonate, Amine, Amino alcohols, zeolite}, issn = {0936-5214}, doi = {10.1055/s-2006-939697}, author = {Shivarkar, Anandkumar B. and Gupte, Sunil P. and Chaudhari, Raghunath V.} } @article { ISI:000297732400016, title = {Enantioselective total syntheses of (-)-isonitramine, (-)-sibirine, and (+)-nitramine by ring-closing metathesis}, journal = {European Journal of Organic Chemistry}, number = {36}, year = {2011}, month = {DEC}, pages = {7372-7377}, publisher = {WILEY-V C H VERLAG GMBH}, address = {PO BOX 10 11 61, D-69451 WEINHEIM, GERMANY}, abstract = {

Concise enantioselective total syntheses of naturally occurring 2-azaspiro[5,5]undecan-7-ol (Nitraria) alkaloids viz. ()-isonitramine, ()-sibirine, and (+)-nitramine are accomplished in 42, 38, and 25?\% overall yield, respectively, in six steps starting from enantiomerically pure (S)-methyl 3-allyl-2-oxo-1,2,3,6-tetrahydropyridine-3-carboxylate (\>99?\%?ee). The key feature of the syntheses involves diastereoselective HosomiSakurai allylation followed by ring-closing metathesis.

}, keywords = {Alk-aloids, Allylation, Amino alcohols, Metathesis, Total synthesis}, issn = {1434-193X}, doi = {10.1002/ejoc.201101256}, author = {Pandey, Ganesh and Kumara, Prasanna C. and Burugu, Shiva Kumar and Puranik, Vedavati G.} } @article { ISI:000325943800011, title = {Dimethyl [(2R,3R,5S)-5-phenylmorpholine-2,3-diyl]diacetate as a designer substrate in the syntheses of important heterocyclic scaffolds}, journal = {Asian Journal of Organic Chemistry}, volume = {1}, number = {1}, year = {2012}, month = {SEP}, pages = {65-70}, publisher = {WILEY-V C H VERLAG GMBH}, address = {BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY}, abstract = {

Designed scaffold dimethyl [(2R,3R,5S)-5-phenylmorpholine-2,3-diyl]diacetate was synthesized in optically pure form by photoinduced one-electron reductive beta-activation of an alpha,beta-unsaturated carbonyl moiety for stereoselective C-C bond formation. Use of the morpholine derivative as a {\textquoteleft}{\textquoteleft}chemical multitalent{\textquoteright}{\textquoteright} is demonstrated by its easy transformation to valuable heterocyclic building blocks such as methyl [(2R,3S)-3-hydroxy-5-oxopyrrolidin-2-yl]acetate, methyl [(2R,3S)-3-amino-5-oxotetrahydrofuran-2-yl]acetate, (3R,4S)-4-aminohexane-1,3,6-triol, and 2-[(2R,3S)-3-aminotetrahydrofuran-2-yl]ethanol.

}, keywords = {Amino alcohols, butyrolactams, butyrolactones, morpholines, photoinduced electron transfer reactions}, issn = {2193-5807}, doi = {10.1002/ajoc.201200033}, author = {Pandey, Ganesh and Gaikwad, Amrut L. and Gadre, Smita R.} } @article { ISI:000335152300007, title = {Croncise organocatalytic route to protected (2S, 4R)-4-hydroxyornithine and(+)-pseudohygroline}, journal = {Synlett}, volume = {25}, number = {8}, year = {2014}, month = {MAY}, pages = {1089-1092}, publisher = {GEORG THIEME VERLAG KG}, address = {RUDIGERSTR 14, D-70469 STUTTGART, GERMANY}, abstract = {

A practical, efficient, and organocatalytic approach to the synthesis of (2S,4R)-4-hydroxyornithine and (+)-pseudohygroline is reported using proline-catalyzed sequential alpha-aminoxylation/alpha-amination reaction and Horner-Wadsworth-Emmons olefination reaction of an aldehyde as the key step.

}, keywords = {aldehydes, Amination, Amino alcohols, cyclization, Enantioselectivity, Wittig reaction}, issn = {0936-5214}, doi = {10.1055/s-0033-1340977}, author = {Jha, Vishwajeet and Kumar, Pradeep} } @article { ISI:000339494600024, title = {Stereoselective approach to 2,6-disubstituted piperidin-3-ol: synthesis of (-)-deoxoprosopinine and (+)-deoxoprosophylline}, journal = {European Journal of Organic Chemistry}, number = {22}, year = {2014}, month = {AUG}, pages = {4897-4902}, publisher = {WILEY-V C H VERLAG GMBH}, address = {BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY}, abstract = {

A simple and highly efficient approach to an enantioenriched 2,6-disubstituted piperidin-3-ol skeleton is developed from an aldehyde as a starting material by using organocatalytic and asymmetric dihydroxylation as the key steps. Its application to the total synthesis of (-)-deoxoprosopinine and (+)-deoxoprosophylline is also reported.

}, keywords = {alkaloids, Amination, Amino alcohols, synthetic methods, Wittig reactions}, issn = {1434-193X}, doi = {10.1002/ejoc.201402363}, author = {Jha, Vishwajeet and Kauloorkar, Shruti Vandana and Kumar, Pradeep} }