Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Deekshaputra R. Birhade"'
Autor:
Mukund G. Kulkarni, Mayur P. Desai, Deekshaputra R. Birhade, Yunus B. Shaikh, Ajit N. Dhatrak, Ramesh Gannimani
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 8, Iss 1, Pp 1725-1729 (2012)
Efficient syntheses are described for the synthetically important 3-methylquinoline-4-carbaldehydes 6a–h from o-nitrobenzaldehydes 1a–h employing a Wittig-olefination–Claisen-rearrangement protocol. The Wittig reaction of o-nitrobenzaldehydes w
Externí odkaz:
https://doaj.org/article/3198da7c50514e78838a56a03039ce18
Autor:
Mukund G. Kulkarni, Attrimuni P. Dhondge, Sanjay W. Chavhan, Ajit S. Borhade, Yunnus B. Shaikh, Deekshaputra R. Birhade, Mayur P. Desai, Nagorao R. Dhatrak
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 6, Iss 1, Pp 876-879 (2010)
Wittig olefination–Claisen rearrangement protocol was applied to obtain 3-allyl oxindole. This oxindole was then converted to (±)-coerulescine and (±)-horsfiline.
Externí odkaz:
https://doaj.org/article/3426423e3eac4dcf9aa15f4f00d8f82d
Autor:
Mukund G. Kulkarni, Sanjay W. Chavhan, Mahadev P. Shinde, Dnyaneshwar D. Gaikwad, Ajit S. Borhade, Attrimuni P. Dhondge, Yunnus B. Shaikh, Vijay B. Ningdale, Mayur P. Desai, Deekshaputra R. Birhade
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 5, Iss 1, p 4 (2009)
A zeolite-catalyzed, simple, one-pot, solvent-free, cost effective, and environmentally benign process for the synthesis of dihydropyrimidones is described. This reaction is scaleable to multigram scale and the catalyst is recyclable. This methodolog
Externí odkaz:
https://doaj.org/article/ec6a402456bb4308b6ca1a459369c8c0
Autor:
Yunnus B. Shaikh, Mukund G. Kulkarni, Ajit N Dhatrak, Ramesh Gannimani, Deekshaputra R. Birhade, Mayur P. Desai
Publikováno v:
Beilstein Journal of Organic Chemistry
Beilstein Journal of Organic Chemistry, Vol 8, Iss 1, Pp 1725-1729 (2012)
Beilstein Journal of Organic Chemistry, Vol 8, Iss 1, Pp 1725-1729 (2012)
Efficient syntheses are described for the synthetically important 3-methylquinoline-4-carbaldehydes 6a–h from o-nitrobenzaldehydes 1a–h employing a Wittig-olefination–Claisen-rearrangement protocol. The Wittig reaction of o-nitrobenzaldehydes w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70caf0bb98e56fb9005115c7668cc161
http://europepmc.org/articles/PMC3511006
http://europepmc.org/articles/PMC3511006
Autor:
Nagorao R. Dhatrak, Deekshaputra R. Birhade, Attrimuni P. Dhondge, Ajit S. Borhade, Yunnus B. Shaikh, Sanjay W. Chavhan, Mukund G. Kulkarni, Dnyaneshwar D. Gaikwad
Publikováno v:
Tetrahedron: Asymmetry. 23:1234-1237
The synthesis of (+)-isofagomine 1 using 4-pentenol 3 as a chiral precursor is described herein.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e1b9e126b659558f9892685494d08ac
https://doi.org/10.1016/j.tetasy.2012.08.012
https://doi.org/10.1016/j.tetasy.2012.08.012
Autor:
Deekshaputra R. Birhade, Attrimuni P. Dhondge, Mukund G. Kulkarni, Nagorao R. Dhatrak, Ajit S. Borhade, Yunnus B. Shaikh
Publikováno v:
Tetrahedron Letters. 52:5559-5562
A stereodivergent route, starting from d -glyceraldehyde derivative, employing Wittig olefination–Claisen rearrangement protocol is reported for the synthesis of six novel carbahexofuranoses—carba-α- d -glucofuranose, carba-β- d -altrofuranose,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1233c6149bd8ded138a77013af5454ba
https://doi.org/10.1016/j.tetlet.2011.08.006
https://doi.org/10.1016/j.tetlet.2011.08.006
Autor:
Ajit S. Borhade, Yunnus B. Shaikh, Sanjay W. Chavhan, Attrimuni P. Dhondge, Deekshaputra R. Birhade, Ramesh Gannimani, Mayur P. Desai, Nagorao R. Dhatrak, Mukund G. Kulkarni
Publikováno v:
Tetrahedron: Asymmetry. 21:2394-2398
The stereoselective synthesis of all the possible stereoisomers of bis-tetrahydrofyran alcohol, a ligand used for obtaining HIV protease inhibitors including Darunavir 1 and Brecanavir 2 has been achieved. A key intermediate 4-pentenal 5 was obtained
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0d240a06d058f50b1a381709adaf590
https://doi.org/10.1016/j.tetasy.2010.08.005
https://doi.org/10.1016/j.tetasy.2010.08.005
Autor:
Attrimuni P. Dhondge, Sanjay W. Chavhan, Mukund G. Kulkarni, Mayur P. Desai, Deekshaputra R. Birhade, Nagorao R. Dhatrak, Yunnus B. Shaikh, Ajit S. Borhade
Publikováno v:
Beilstein Journal of Organic Chemistry
Beilstein Journal of Organic Chemistry, Vol 6, Iss 1, Pp 876-879 (2010)
Beilstein Journal of Organic Chemistry, Vol 6, Iss 1, Pp 876-879 (2010)
Wittig olefination–Claisen rearrangement protocol was applied to obtain 3-allyl oxindole. This oxindole was then converted to (±)-coerulescine and (±)-horsfiline.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cabf6381597c65779a10bd39bbeaa14a
http://europepmc.org/articles/PMC2982140
http://europepmc.org/articles/PMC2982140
Autor:
Deekshaputra R. Birhade, Attrimuni P. Dhondge, Sanjay W. Chavhan, Mayur P. Desai, Vijay B. Ningdale, Ajit S. Borhade, Yunnus B. Shaikh, Dnyaneshwar D. Gaikwad, Mukund G. Kulkarni
Publikováno v:
Synthetic Communications. 40:423-433
A two-step iterative sequence of Wittig olefination followed by Claisen rearrangement resulted in 1,7-octadienes, which afforded the corresponding cyclohexene carbaldehydes upon ring-closing metathesis with Grubbs catalyst.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95c4f2faaf471ddf4fa81646db18840d
https://doi.org/10.1080/00397910902985473
https://doi.org/10.1080/00397910902985473
Autor:
Attrimuni P. Dhondge, Sanjay W. Chavhan, Dnyaneshwar D. Gaikwad, Mayur P. Desai, Yunnus B. Shaikh, Mukund G. Kulkarni, Nagorao R. Dhatrak, Ajit S. Borhade, Deekshaputra R. Birhade
Publikováno v:
Tetrahedron Letters. 54:2293-2295
Wacker oxidation of various terminal olefins with Pd0/C-KBrO3, a nontoxic, environmentally benign, and easy to handle catalyst system, was achieved in high isolated yields. The described protocol offers an alternative to the traditional Wacker system
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::008808ede8a3e750c3fca86257537576
https://doi.org/10.1016/j.tetlet.2013.01.082
https://doi.org/10.1016/j.tetlet.2013.01.082