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Featured researches published by Michael S. Tempesta.


Phytochemistry | 1984

1-Epizeylenol from Uvaria zeylanica roots

Shivanand D. Jolad; Joseph J. Hoffmann; Jack R. Cole; Michael S. Tempesta; Robert B. Bates

Abstract 1-Epizeylenol was isolated from Uvaria zeylanica roots and characterized, largely by 1 H and 13 CNMR spectral comparisons with zeylenol.


Journal of Organic Chemistry | 1982

Constituents of Eremocarpus setigerus (euphorbiaceae). A new diterpene, eremone, and hautriwaic acid

Shivanand D. Jolad; Joseph J. Hoffmann; Karl H. Schram; Jack R. Cole; Michael S. Tempesta; Robert B. Bates


Journal of Organic Chemistry | 1981

Structures of zeylenol and zeylena, constituents of Uvaria zeylanica (Annonaceae)

Shivanand D. Jolad; Joseph J. Hoffmann; Karl H. Schram; Jack R. Cole; Michael S. Tempesta; Robert B. Bates


Journal of Organic Chemistry | 1981

Constituents of Trichilia hispida (Meliaceae). 4. Hispidols A and B, two new tirucallane triterpenoids

Shivanand D. Jolad; Joseph J. Hoffmann; Karl H. Schram; Jack R. Cole; Michael S. Tempesta; Robert B. Bates


Journal of Organic Chemistry | 1980

Cytotoxic agent from Penstemon deustus (Scrophulariaceae): isolation and stereochemistry of liriodendrin, a symmetrically substituted furofuranoid lignan diglucoside

Shivanand D. Jolad; Joseph J. Hoffmann; Jack R. Cole; Michael S. Tempesta; Robert B. Bates


Journal of Organic Chemistry | 1980

Constituents of Trichilia hispida (meliaceae). 2. A new triterpenoid, hispidone, and bourjotinolone A

Shivanand D. Jolad; Joseph J. Hoffmann; Jack R. Cole; Michael S. Tempesta; Robert B. Bates


Journal of Organic Chemistry | 1981

Constituents of Trichilia hispida (meliaceae). 3. Structures of the cytotoxic limonoids: Hispidins A, B, and C

Shivanand D. Jolad; Joseph J. Hoffmann; Karl H. Schram; Jack R. Cole; Michael S. Tempesta; Robert B. Bates


Journal of Natural Products | 1983

Daphnane diterpenes from Wikstroemia monticola: Wikstrotoxins A-D, huratoxin, and excoecariatoxin

Shivanand D. Jolad; Joseph J. Hoffmann; Barbara N. Timmermann; Karl H. Schram; Jack R. Cole; Robert B. Bates; Robert E. Klenck; Michael S. Tempesta


Journal of Natural Products | 1984

A New Diterpene From Cupressus goveniana var. Abramasiana: 5β-Hydroxy-6-Oxasugiol (Cupresol)

Shivanand D. Jolad; Joseph J. Hoffmann; Karl H. Schram; Jack R. Cole; Robert B. Bates; Michael S. Tempesta


ChemInform | 1983

Uvaricin, a New Antitumor Agent from Uvaria accuminata (Annonaceae).

Shivanand D. Jolad; Joseph J. Hoffmann; Karl H. Schram; Jack R. Cole; Michael S. Tempesta; G. R. Kriek; Robert B. Bates

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