Ruthenium alkylidene 1 and molybdenum alkylidene 2 have been utilized in the ring-closing metathesis (RCM) of dienes containing gem-disubstituted olefins to yield td-and tetrasubstituted cyclic olefins. Dienes with sterically demanding and/or electron-withdrawing substituents such as Ph, CO2Me, and Bu-t were cyclized successfully with 2, but did not cyclize with 1. Tetrasubstituted cyclic olefins could be formed with 2, but not using alkylidene-1. Dienes with allylic functional groups yielded functionalized cyclic olefins when treated with 1.
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CALTECH, DIV CHEM & CHEM ENGN, ARNOLD & MABEL BECKMAN LABS CHEM SYNTHESIS, PASADENA, CA 91125 USACALTECH, DIV CHEM & CHEM ENGN, ARNOLD & MABEL BECKMAN LABS CHEM SYNTHESIS, PASADENA, CA 91125 USA
Miller, SJ
Blackwell, HE
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CALTECH, DIV CHEM & CHEM ENGN, ARNOLD & MABEL BECKMAN LABS CHEM SYNTHESIS, PASADENA, CA 91125 USACALTECH, DIV CHEM & CHEM ENGN, ARNOLD & MABEL BECKMAN LABS CHEM SYNTHESIS, PASADENA, CA 91125 USA
Blackwell, HE
Grubbs, RH
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CALTECH, DIV CHEM & CHEM ENGN, ARNOLD & MABEL BECKMAN LABS CHEM SYNTHESIS, PASADENA, CA 91125 USACALTECH, DIV CHEM & CHEM ENGN, ARNOLD & MABEL BECKMAN LABS CHEM SYNTHESIS, PASADENA, CA 91125 USA
机构:
CALTECH, DIV CHEM & CHEM ENGN, ARNOLD & MABEL BECKMAN LABS CHEM SYNTHESIS, PASADENA, CA 91125 USACALTECH, DIV CHEM & CHEM ENGN, ARNOLD & MABEL BECKMAN LABS CHEM SYNTHESIS, PASADENA, CA 91125 USA
Miller, SJ
Blackwell, HE
论文数: 0引用数: 0
h-index: 0
机构:
CALTECH, DIV CHEM & CHEM ENGN, ARNOLD & MABEL BECKMAN LABS CHEM SYNTHESIS, PASADENA, CA 91125 USACALTECH, DIV CHEM & CHEM ENGN, ARNOLD & MABEL BECKMAN LABS CHEM SYNTHESIS, PASADENA, CA 91125 USA
Blackwell, HE
Grubbs, RH
论文数: 0引用数: 0
h-index: 0
机构:
CALTECH, DIV CHEM & CHEM ENGN, ARNOLD & MABEL BECKMAN LABS CHEM SYNTHESIS, PASADENA, CA 91125 USACALTECH, DIV CHEM & CHEM ENGN, ARNOLD & MABEL BECKMAN LABS CHEM SYNTHESIS, PASADENA, CA 91125 USA