Gerard A. Crispino
Scripps Research Institute
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Featured researches published by Gerard A. Crispino.
Tetrahedron Letters | 1992
Gerard A. Crispino; K. Barry Sharpless
Abstract The asymmetric dihydroxylation of squalene was studied using the new ligand (DHQD) 2 -PHAL. Moderate positional selectivity for the 2,3-olefin was observed with high % ee.
Tetrahedron Letters | 1994
Gerard A. Crispino; Atsushi Makita; Zhi-Min Wang; K. Barry Sharpless
Abstract Comparative data for several ligands proposed recently for use in the osmium-catalyzed asymmetric dihydroxylation (AD) are presented.
Tetrahedron Letters | 1991
Ronald Breslow; Gerard A. Crispino
Abstract 1,2,3-tris(4-pyridyl)cyclopropene carrying a 3-benzenesulfonyl group has been synthesized, and other cyclopropenes carrying pyridine and pyridinium rings. Some of these can be converted to hexa(4-pyridyl)benzene and its pyridinium analog.
Journal of Organic Chemistry | 1992
K. Barry Sharpless; Willi Amberg; Youssef L. Bennani; Gerard A. Crispino; Jens Hartung; Kyu-Sung Jeong; Hoi-Lun Kwong; Kouhei Morikawa; Zhi Min Wang
Journal of the American Chemical Society | 1992
Daqiang Xu; Gerard A. Crispino; K. Barry Sharpless
Journal of Organic Chemistry | 1993
Gerard A. Crispino; Kyu-Sung Jeong; Hartmuth C. Kolb; Zhi Min Wang; Daqiang Xu; K. Barry Sharpless
Journal of Organic Chemistry | 1993
Willi Amberg; Youssef L. Bennani; Raj K. Chadha; Gerard A. Crispino; William Davis; Jens Hartung; Kyu-Sung Jeong; Yasukazu Ogino; Tomoyuki Shibata; K. Barry Sharpless
Journal of the American Chemical Society | 1993
Hartmuth C. Kolb; Pher G. Andersson; Youssef L. Bennani; Gerard A. Crispino; Kyu-Sung Jeong; Hoi-Lun Kwong; K. Barry Sharpless
Synthesis | 1993
Gerard A. Crispino; K. Barry Sharpless
Journal of Organic Chemistry | 1989
Thomas W. Bell; J. Ramon Vargas; Gerard A. Crispino
