Search Results - "Boulanger, William A."

Synthesis, Chromatographic Resolution, and Anti-Human Immunodeficiency Virus Activity of (±)-Calanolide A and Its Enantiomers by Flavin, Michael T, Rizzo, John D, Khilevich, Albert, Kucherenko, Alla, Sheinkman, Abram K, Vilaychack, Vilayphone, Lin, Chen, Wei, Greenwood, Eugenia Mata, Pengsuparp, Thitima, Pezzuto, John M, Hughes, Stephen H, Flavin, Thomas M, Cibulski, Michael, Boulanger, William A, Shone, Robert L, Xu, Ze-Qi

“…The anti-HIV agent (±)-calanolide A (1) has been synthesized in a five-step approach starting with phloroglucinol [→ 5 → 6 → 11 → 18 → (±)-1], which includes…”
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Total Synthesis of (S)-Equol by Heemstra, Jennifer M, Kerrigan, Sean A, Doerge, Daniel R, Helferich, William G, Boulanger, William A

“…The first enantioselective total synthesis of (S)-equol is reported. The described route relies on an Evans alkylation to form the stereocenter and an…”
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Assessing chiral self-recognition using chiral stationary phases by Lee, Wonjae, Snyder, Seth E., Volkers, Phillip I., Pirkle, William H., Engebretson, David A., Boulanger, William A., Lin, Huei-Shian, Huang, Bin-Syuan, Carey, James R.

“…Chiral stationary phases were synthesized and their ability to separate racemic precursors from which they were derived was assessed. Taken in conjunction with…”
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Structure-activity study of 6-substituted 2-pyranones as inactivators of .alpha.-chymotrypsin by Boulanger, William A, Katzenellenbogen, John A

“…A series of 2-pyranones, bearing halogens or electron-withdrawing groups at the 6-position and alkyl, aryl, or aralkyl groups at positions 3, 4, and 5, were…”
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5-(Halomethyl)-2-pyranones as irreversible inhibitors of .alpha.-chymotrypsin by Boulanger, William A, Katzenellenbogen, John A

“…A series of 5-(halomethyl)-2-pyranones were prepared and assayed as potential mechanism-based inhibitors of chymotrypsin, in order to test whether substitution…”
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Total Synthesis of (S)-Equol by Heemstra, Jennifer M, Kerrigan, Sean A, Doerge, Daniel R, m A. Boul, William G. Helferich, and Willia

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Improved Resolution of (±)-cis-2′-Hydroxy-5,9-dimethyl-6, 7-benzomorphan and Preparation of Racemic, (+)-, and (-)-cis-2-Methylcyclopropyl-2′-hydroxy-5,9-dimethyl-6,7-benzomorphan (Cyclazocine) by Boulanger, William A.

“…We report novel procedures for the efficient resolution of (±)-cis-2 -hydroxy-5, 9-dimethyl-6, 7-benzomorphan via the (-)-N-acetyl-L-glutamate and…”
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Novel Approach for Synthesis of (±)-Calanolide A and Its Anti-HIV Activity by Kucherenko, A

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Novel approach for synthesis of (±)-calanolide a and its anti-HIV activity by Kucherenko, Alla, Flavin, Michael T., Boulanger, William A., Khilevich, Albert, Shone, Robert L., Rizzo, John D., Sheinkman, Abram K., Xu, Ze-Qi

“…Anti-HIV agent (±)-calanolide A ( 1) has been synthesized. The key intermediate, chromene 5, was synthesized by the sequence of Pechmann reaction, acylation…”
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