Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Krishnamoorthy, Rajagopalan"'
Autor:
B.K, Mohamed Ibrahim, Baba, P. Umar Farooq, Singh, Veena, Karanjkar, Ankur, Madhavan, Latha, Shah, Raheeb Ahmad, Haq, Ansarul, Pawar, Manoj, Kumari, Anupama, Panse, Nikhil, G., Vishnubabu, Pandian, Shyamnath Krishna, Sharma, Anirudha, Krishnamoorthy, Rajagopalan, Thatte, Mukund, Bhat, Anil, Krishnamoorthy, Sridhar
Publikováno v:
Indian Journal of Plastic Surgery; Aug2024, Vol. 57 Issue 4, p248-255, 8p
Publikováno v:
Tetrahedron Letters. 39:4133-4136
Ethynyl alcohol 4 was synthesised from (1)-menthone by the reaction sequence-hydroxyformylation, C-methylation, Wittig-olefination and addition of lithium acetylide to CO. The concerted thermally allowed oxy-Cope rearrangement of the optically act
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b3b334c2ca1836426fc23c5d6417a54
https://doi.org/10.1016/s0040-4039(98)00707-2
https://doi.org/10.1016/s0040-4039(98)00707-2
Publikováno v:
Tetrahedron. 53:12637-12650
Functionalised title compounds 4, 7, 11, 12 and 16 were synthesised from bromoethynyl derivatives of cycloalkanes 2, 6 , Wieland-Meisher ketone 10 and spiro[5.5] ketone 15 by anionic and thermal oxy-Cope rearrangement is described.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72851c6149c5a9e829a0e4e599fc5606
https://doi.org/10.1016/s0040-4020(97)00785-0
https://doi.org/10.1016/s0040-4020(97)00785-0
Publikováno v:
Tetrahedron. 53:11685-11692
Functionalised bicyclo[4.4.0] system 5, and spiro [5.4] system 10 were synthesised from the bispropargyl compound 3 and the monopropargyl compound 6 by tin- mediated radical cyclization.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10d76fa557122e5cca0ca821f771df13
https://doi.org/10.1016/s0040-4020(97)00735-7
https://doi.org/10.1016/s0040-4020(97)00735-7
Publikováno v:
Tetrahedron. 53:6085-6096
Functionalised optically active bicyclo[4.3.0] system 5 , and angularly fused tricyclo [7.4.0.0 4.9 ] system 11 were synthesized from ( l )-menthone propargyl derivative 4 and spiromenthone propargyl derivative 10 by tin-mediated radical cyclization.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::095b2051a828de56f2447695e80f67f1
https://doi.org/10.1016/s0040-4020(97)00269-x
https://doi.org/10.1016/s0040-4020(97)00269-x
Publikováno v:
Synthetic Communications. 26:2119-2125
A general method of synthesising functionalized title compounds via oxy-Cope rearrangement using sodium ethoxide is reported.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::181dc77f9d1824cc3b49bae4d4cb10cf
https://doi.org/10.1080/00397919608003570
https://doi.org/10.1080/00397919608003570
Publikováno v:
Tetrahedron. 52:7737-7744
Linearly fused tricyclic [5.6.5] and [6.6.6] compounds 4, 6, 10 and 12 were prepared from ethynyl and allenyl derivatives of self condensed cycloalkanones 3, 5, 9 and 11 by thermal oxy-Cope rearrangement is described.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46ef64ef313a03ca82e3a085f5b07b44
https://doi.org/10.1016/s0040-4020(96)00341-9
https://doi.org/10.1016/s0040-4020(96)00341-9
Autor:
Krishnamoorthy Rajagopalan, B. Devan
Publikováno v:
Synthetic Communications. 24:1691-1700
A three step sequence is described for conversion of substituted phenyl carbamide into 1-cyano-4-methylidene -1,2,3,4-tetrahydro quinoline involving N-propargylation, allene formation followed by mercury (II) trifluoro acetate catalysed cyclization.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::180a2544a31de6e779c2761df401b8b5
https://doi.org/10.1080/00397919408010171
https://doi.org/10.1080/00397919408010171
Publikováno v:
The Journal of Organic Chemistry. 58:7782-7788
Two efficient pathways for the stereocontrolled synthesis of functionalized, angularly fused tricyclic carbocycles from readily available 2-formylcycloalkanones are described. Tricyclo[1.4.0.0 4,9 ]tridecane 13, tricyclo[1.5.0.0 4,9 ]tetradecane 16,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b558f93fc790de7a729295a9b72adbd
https://doi.org/10.1021/jo00079a023
https://doi.org/10.1021/jo00079a023
Publikováno v:
Tetrahedron Letters. 34:6761-6764
Thermal oxy-Cope rearrangement of substrates 5,7 and 11 resulted in ring expansion and annulation. The effect of alkene substituents and variation in the ring systems on the reaction has been studied.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7537fb27d465b9fd56a3a62888b1869
https://doi.org/10.1016/s0040-4039(00)61695-7
https://doi.org/10.1016/s0040-4039(00)61695-7