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Search results for: ring opening metathesis

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... Taber University of Delaware C-O Ring Construction: Artemone ( ... catalysts are effective for the ring-closing metathesis even of terminal ... /ejoc.201500654) that the opening of 15 with 16 ...
URL: https://www.organic-chemistry.org/Highlights/2016/18April.shtm
... 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
... University of Delaware Organocatalyzed C-C Ring Construction: The Yoshida ... rearrangement of 9 to the cyclopentane 10 (Org. ... mediate the preparation of the cyclopentanone 28 by the conjugate ...
URL: https://www.organic-chemistry.org/Highlights/2019/29July.shtm
... Taber University of Delaware C-O Ring Construction: The Liang ... exchange with 11 followed by ring-closing alkene metathesis (J ... by the thermal extrusion of cyclopentadiene from 32, followed ...
URL: https://www.organic-chemistry.org/Highlights/2021/10May.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
... 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
... 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
... 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
... 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
... 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
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