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
Zuercher, WJ
[1
]
Scholl, M
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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
Scholl, M
[1
]
Grubbs, RH
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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
Grubbs, RH
[1
]
机构:
[1] CALTECH, Div Chem & Chem Engn, Arnold & Mabel Beckman Labs Chem Synthesis, Pasadena, CA 91125 USA
The application of ruthenium alkylidenes such as 1 to the catalysis of polycyclization reactions is reported. Several acyclic precursors have been synthesized and reacted with 1. These precursors vary in topology and contain acetylenic and/or cycloolefinic metathesis relays. The cyclization reactions proceed in moderate to good yields to produce polycyclic polyenes when the precursors are subjected to catalytic amounts of 1. In general, precursors bearing n relay units generate polycycles containing (n + 1) rings.