@article { ISI:000252219700011, title = {Efficient and practical total synthesis of (+/-)-alpha-cuparenone}, journal = {Synthesis-Stuttgart }, number = {24}, year = {2007}, month = {DEC}, pages = {3827-3830}, publisher = {GEORG THIEME VERLAG KG}, type = {Article}, address = {RUDIGERSTR 14, D-70469 STUTTGART, GERMANY}, abstract = {

A one-pot cyclopentannulation approach as the key step for the total synthesis of (+/-)-alpha-cuparenone is described.

}, keywords = {Alkylation, annulation, hydroboration-oxidation, reduction}, issn = {0039-7881}, doi = {10.1055/s-2007-990899}, author = {Chavan, Subhash P. and Dhawane, Abasaheb N. and Kalkote, Uttam R.} } @article { ISI:000243819800014, title = {Facile total synthesis of (+/-)-alpha-cuparenone employing diallylation and RCM as key steps}, journal = {Tetrahedron Letter}, volume = {48}, number = {6}, year = {2007}, month = {FEB}, pages = {965-966}, publisher = {PERGAMON-ELSEVIER SCIENCE LTD}, type = {Article}, address = {THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND}, abstract = {

A short and concise total synthesis of alpha-cuparenone employing one-pot diallylation and RCM as the key steps is described. (c) 2006 Elsevier Ltd. All rights reserved.

}, issn = {0040-4039}, doi = {10.1016/j.tetlet.2006.12.023}, author = {Chavan, Subhash P. and Dhawane, Abasaheb N. and Kalkote, Uttam R.} } @article { ISI:000247620500052, title = {Total synthesis of pulchellalactam via an RCM strategy}, journal = {Synthetic Communications}, volume = {37}, number = {7-9}, year = {2007}, month = {MAY}, pages = {1503-1510}, publisher = {TAYLOR \& FRANCIS INC}, type = {Article}, address = {325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA}, abstract = {

Total synthesis of (Z) pulchellalactam, a CD protein tyrosine phosphatase inhibitor, from commercially available methallyl chloride employing ring-closure metathesis (RCM) as a key step is described.

}, keywords = {alkaloid, Natural products, pulchellalactam, RCM, Total synthesis}, issn = {0039-7911}, doi = {10.1080/00397910701229131}, author = {Chavan, Subhash P. and Pathak, Ashok B. and Dhawane, Abasaheb N. and Kalkote, Uttam R.} } @article { ISI:000261466800007, title = {Tandem aza-michael-condensation-aldol cyclization reaction: approach to the construction of DE synthon of (+/-)-camptothecin}, journal = {Synlett}, number = {18}, year = {2008}, month = {NOV}, pages = {2781-2784}, publisher = {GEORG THIEME VERLAG KG}, type = {Article}, address = {RUDIGERSTR 14, D-70469 STUTTGART, GERMANY}, abstract = {

An efficient synthesis of the DE ring of camptothecin, employing a Reformatsky and a tandem one-pot, three-step transformation involving aza-Michael reaction, condensation with ethyl malonyl chloride followed by intramolecular {\textquoteleft}aldol{\textquoteright} reaction to furnish the dihydropyridone derivative from commercially available starting materials, has been achieved.

}, keywords = {Aldol cyclizations, alkaloids, antitumor, Natural products, Reformatsky reaction}, issn = {0936-5214}, doi = {10.1055/s-0028-1083539}, author = {Chavan, Subhash P. and Dhawane, Abasaheb N. and Kalkote, Uttam R.} } @article { ISI:000278451000017, title = {Formal synthesis of (+/-)-camptothecin via tricyclic lactone as key synthon}, journal = {Tetrahedron Letters}, volume = {51}, number = {23}, year = {2010}, month = {JUN}, pages = {3099-3101}, publisher = {PERGAMON-ELSEVIER SCIENCE LTD}, address = {THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND}, abstract = {

Formal synthesis of (+/-)-camptothecin via CDE tricyclic lactone employing tandem Michael addition, Dieckmann condensation and addition-elimination reaction as key steps starting from glycinate is described. (C) 2010 Elsevier Ltd. All rights reserved.

}, issn = {0040-4039}, doi = {10.1016/j.tetlet.2010.04.019}, author = {Chavan, Subhash P. and Dhawane, Abasaheb N. and Kalkote, Uttam R.} }