3, 6-O-bridged pyranose inversion compound and process for producing B-O-pyranoside
| 外国特許コード | F120006455 |
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| 整理番号 | KG0064-US01 |
| 掲載日 | 2012年4月27日 |
| 出願国 | アメリカ合衆国 |
| 出願番号 | 86758209 |
| 公報番号 | 20100324275 |
| 公報番号 | 8445652 |
| 出願日 | 平成21年2月13日(2009.2.13) |
| 公報発行日 | 平成22年12月23日(2010.12.23) |
| 公報発行日 | 平成25年5月21日(2013.5.21) |
| 国際出願番号 | JP2009052416 |
| 国際公開番号 | WO2009102022 |
| 国際出願日 | 平成21年2月13日(2009.2.13) |
| 国際公開日 | 平成21年8月20日(2009.8.20) |
| 優先権データ |
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| 発明の名称 （英語） | 3, 6-O-bridged pyranose inversion compound and process for producing B-O-pyranoside |
| 発明の概要（英語） |
(US8445652) An object of the present invention is to provide a 3,6-O-bridged pyranose-inverted compound useful for being easy to produce beta-O-pyranosides selectively. The 3,6-O-bridged pyranose-inverted compound according to the present invention is represented by General Formula (1): wherein RA and RB each represent hydrogen or are bonded to each other to form a benzene ring; one of RC and RD represents hydrogen and the other represents -OR2; R1 represents hydroxy or halogen; and R2 and R3 each represent a hydroxy-protecting group. |
| 特許請求の範囲（英語） |
[claim1] 1. A 3,6-O-bridged pyranose-inverted compound, represented by the following formula: wherein one of RC and RD represents hydrogen and the other represents -- OR2; R1 represents hydroxy or halogen; and R2 and R3 each represent a hydroxy-protecting group. [claim2] 2. The 3,6-O-bridged pyranose-inverted compound according to claim 1, wherein RC represents hydrogen; and RD represents -- OR2. [claim3] 3. The 3,6-O-bridged pyranose-inverted compound according to claim 1, wherein RC represents -- OR2; and RD represents hydrogen. [claim4] 4. A 3,6-O-bridged pyranose-inverted compound, represented by the following formula: wherein one of RC and RD represents hydrogen and the other represents -- OR2; R1 represents hydroxy or halogen; and R2 and R3 each represent a hydroxy-protecting group. [claim5] 5. The 3,6-O-bridged pyranose-inverted compound according to claim 1, wherein the hydroxy-protecting group represented by R2 and R3 is benzyl, dimethyl benzyl, 4-methoxybenzyl, allyl or trialkyl silyl. [claim6] 6. A process for producing beta -O-pyranoside represented by the following formula: wherein one of RC and RD represents hydrogen and the other represents -- OR2; R2 and R3 each represent a hydroxy-protecting group; and R4 represents a residue of a primary, secondary or tertiary alcohol, the process comprising reacting a 3,6-O-bridged pyranose-inverted compound represented by the following formula: wherein X represents halogen; and RC, RD, R2 and R3 are the same as above, with an alcohol represented by R4OH, wherein R4 is the same as above. [claim7] 7. The 3,6-O-bridged pyranose-inverted compound according to claim 4, wherein RC represents hydrogen; and RD represents -- OR2. [claim8] 8. The 3,6-O-bridged pyranose-inverted compound according to claim 4, wherein RC represents -- OR2; and RD represents hydrogen. [claim9] 9. The 3,6-O-bridged pyranose-inverted compound according to claim 4, wherein the hydroxy-protecting group represented by R2 and R3 is benzyl, dimethyl benzyl, 4-methoxybenzyl, allyl or trialkyl silyl. [claim10] 10. A process for producing beta -O-pyranoside represented by the following formula: wherein one of RC and RD represents hydrogen and the other represents -- OR2; R2 and R3 each represent a hydroxy-protecting group; and R4 represents a residue of a primary, secondary or tertiary alcohol, the process comprising reacting a 3,6-O-bridged pyranose-inverted compound represented by the following formula: wherein X represents halogen; and RC, RD, R2 and R3 are the same as above, with an alcohol represented R4OH, wherein R4 is the same as above. |
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| 国際特許分類(IPC) |
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| 米国特許分類/主・副 |
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日本語項目の表示
| 発明の名称 | 3, 6-O-架橋反転ピラノース化合物及びβ-O-ピラノシドの製造方法 |
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