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Search results for: ring opening metathesis

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... University of Delaware Metal-Mediated C-C Ring Construction: The Saicic ... cyclization of 8 to the cyclopentene 9 (carbonyl-alkene metathesis ... racemic aldehyde 10 to the cyclopentanol 11 in high ee ...
URL: https://www.organic-chemistry.org/Highlights/2019/09December.shtm
... metathesis to form the medium ring. This was done ... now perfectly set for a ring-closing metathesis to form the ... , and the resulting epoxide opened using an allyl cuprate ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn05/polyanthellin-a-johnson.shtm
... G. Erker), Springer, Berlin, 1989 ... ORGANOMETALLICS High selectivity induced by neighbouring-group effects in C-C bond-forming ... REACTIONS/STEREOSELECTIVE PREPARATION/NEOPENTYLIDENE COMPLEXES/ALDEHYDE SELECTIVITY ...
URL: https://www.organic-chemistry.org/abstracts/authors/kauffman-t.shtm
... jacs.5b05868) that the benzene ring of 14 could be ... the most favorable for selective ring-closing metathesis to 28. ... 10.1002/chem.201501806) the cyclopentane 9 in stepwise fashion ...
URL: https://www.organic-chemistry.org/Highlights/2016/08August.shtm
... bond formation on the six-membered ring was constrained by the ... , setting the stage for ring-closing metathesis to 14. ... the silyloxy group on the cyclopentenone , leading to 19 ...
URL: https://www.organic-chemistry.org/Highlights/2018/02July.shtm
... Mannich reaction to complete the ring-system. Very tidy work ... done more often. The cyclopentene was converted to a ... by a simple hydroboration / oxidation. What's special is ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn06/lycoflexine-ramharter-mulzer.shtm
... G. Erker), Springer, Berlin, 1989 ... /EFFICIENT TOTAL SYNTHESIS/RING-EXPANDED ANALOGS/DIELS-ALDER ADDITIONS ... Key Words: DIELS-ALDER-REACTION/OPENING METATHESIS POLYMERIZATION/ACID-CATALYZED ...
URL: https://www.organic-chemistry.org/abstracts/authors/vogel-p.shtm
... dienophile. Ru-Catalyst on Raschig Rings for Olefin Metathesis The ... allylic alkylations of rac-1,3-diphenyl-2-propenyl acetate with malonates ( ... . J. Org. Chem. 2006, ASAP ...
URL: https://www.organic-chemistry.org/Highlights/2006/15October.shtm
... vinyl Grignard followed by selective ring-closing metathesis then led to ... . Snapper of Boston College opened (J . Org ... Taber University of Delaware Alkene Metathesis: Synthesis of Panaxytriol ...
URL: https://www.organic-chemistry.org/Highlights/2009/19January.shtm
... University assembled the central cyclohexane ring of 3 by the ... cyclopropane 9, that spontaneously opened to 10. In ... alkene/alkyne/alkene metathesis . To this end ...
URL: https://www.organic-chemistry.org/Highlights/2021/04October.shtm
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