Synthetic Studies on Prostaglandin E2 from D-Ribose by using Cobalt-Mediated Ferrier-type Rearrangement
碩士 === 國立清華大學 === 化學系 === 100 === rostaglandin E2 1 (PGE2) shows important biological activity because of ability to affect blood clotted and smooth muscle contraction. Moreover, prostaglandin E2 1 is used for cervical dilation during parturition or as an adjunct for cervical ripening and to induce...
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ndltd-TW-100NTHU50651242015-10-13T21:22:41Z http://ndltd.ncl.edu.tw/handle/46000269708811540743 Synthetic Studies on Prostaglandin E2 from D-Ribose by using Cobalt-Mediated Ferrier-type Rearrangement 透過鈷-媒介的費里爾型重組經由D-核糖從事前列腺素E2的合成研究 CHIU, HAO-HSIANG 邱皓翔 碩士 國立清華大學 化學系 100 rostaglandin E2 1 (PGE2) shows important biological activity because of ability to affect blood clotted and smooth muscle contraction. Moreover, prostaglandin E2 1 is used for cervical dilation during parturition or as an adjunct for cervical ripening and to induce uterine contractions in other obstetrical situations. In this synthesis, we focused our attention on constructing the cyclopentanone skeleton of PGE2 through cobalt-mediated Ferrier-type rearrangement. The synthetic routes includes: (1) starting from commercially available D-(-)-ribose 2, (2) carbon chain elongating with acetylenes via C-glycosidation 3, (3) manipulating to exo-vinyl ether 4, (4) converting the acetylenic moiety to its dicobalt complex 5, and (5) implementing Ferrier type rearrangement to afford the cyclopentanones 6a-d in 37-71% yields. MINORU ISOBE 磯部稔 2012 學位論文 ; thesis 171 en_US |
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碩士 === 國立清華大學 === 化學系 === 100 === rostaglandin E2 1 (PGE2) shows important biological activity because of ability to affect blood clotted and smooth muscle contraction. Moreover, prostaglandin E2 1 is used for cervical dilation during parturition or as an adjunct for cervical ripening and to induce uterine contractions in other obstetrical situations. In this synthesis, we focused our attention on constructing the cyclopentanone skeleton of PGE2 through cobalt-mediated Ferrier-type rearrangement. The synthetic routes includes: (1) starting from commercially available D-(-)-ribose 2, (2) carbon chain elongating with acetylenes via C-glycosidation 3, (3) manipulating to exo-vinyl ether 4, (4) converting the acetylenic moiety to its dicobalt complex 5, and (5) implementing Ferrier type rearrangement to afford the cyclopentanones 6a-d in 37-71% yields.
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author2 |
MINORU ISOBE |
author_facet |
MINORU ISOBE CHIU, HAO-HSIANG 邱皓翔 |
author |
CHIU, HAO-HSIANG 邱皓翔 |
spellingShingle |
CHIU, HAO-HSIANG 邱皓翔 Synthetic Studies on Prostaglandin E2 from D-Ribose by using Cobalt-Mediated Ferrier-type Rearrangement |
author_sort |
CHIU, HAO-HSIANG |
title |
Synthetic Studies on Prostaglandin E2 from D-Ribose by using Cobalt-Mediated Ferrier-type Rearrangement |
title_short |
Synthetic Studies on Prostaglandin E2 from D-Ribose by using Cobalt-Mediated Ferrier-type Rearrangement |
title_full |
Synthetic Studies on Prostaglandin E2 from D-Ribose by using Cobalt-Mediated Ferrier-type Rearrangement |
title_fullStr |
Synthetic Studies on Prostaglandin E2 from D-Ribose by using Cobalt-Mediated Ferrier-type Rearrangement |
title_full_unstemmed |
Synthetic Studies on Prostaglandin E2 from D-Ribose by using Cobalt-Mediated Ferrier-type Rearrangement |
title_sort |
synthetic studies on prostaglandin e2 from d-ribose by using cobalt-mediated ferrier-type rearrangement |
publishDate |
2012 |
url |
http://ndltd.ncl.edu.tw/handle/46000269708811540743 |
work_keys_str_mv |
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