Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Sanjay W. Chavhan"'
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
Publikováno v:
ARKIVOC, Vol 2005, Iss 3, Pp 228-236 (2005)
Externí odkaz:
https://doaj.org/article/ba9e08a2e3b34c9c85552d18456bd9cd
Publikováno v:
The Journal of Organic Chemistry. 79:11234-11240
A rhenium-catalyzed N-selective allylic amination reaction of N-hydroxycarbamates has been developed. This reaction occurs with excellent N/O selectivity and with complete carbon selectivity on the allylic system. The reaction is tolerant of many fun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::673a2ed0d1a7489b482a975f6e479570
https://doi.org/10.1021/jo501992p
https://doi.org/10.1021/jo501992p
Autor:
Sanjay W. Chavhan, Matthew J. Cook
Publikováno v:
Chemistry - A European Journal. 20:4891-4895
A highly regioselective allylic substitution of β-silyl allylic alcohols has been achieved that provides the branched isomer as a single product. This high level of regiocontrol is achieved through the use of a vinyl silane group that can perform a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da8bfd6229bfbf7b3e6ca2463822f613
https://doi.org/10.1002/chem.201400104
https://doi.org/10.1002/chem.201400104
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:
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
Publikováno v:
ChemInform. 46
In case of Cbz-protected hydroxylamine excellent N/O-selectivities up to 99:1 are observed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1dd3be25f1cf0835a4e600f54dedfade
https://doi.org/10.1002/chin.201518043
https://doi.org/10.1002/chin.201518043