STUDY ON CATIONIC RING-OPENING COPOLYMERIZATION OF 1,4-ANHYDRO-2,3-DI-O-BENZYL-α-D-RIBOPYRANOSE WITH 1,4-ANHYDRO-2,3-O-ISOPROPYLIDENE-α-D-RIBOPYRANOSE

WU Chengpei; PAN Caiyuan; Toshiyuki Uryu

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STUDY ON CATIONIC RING-OPENING COPOLYMERIZATION OF 1,4-ANHYDRO-2,3-DI-O-BENZYL-α-D-RIBOPYRANOSE WITH 1,4-ANHYDRO-2,3-O-ISOPROPYLIDENE-α-D-RIBOPYRANOSE

Papers | Updated：2021-06-21

- STUDY ON CATIONIC RING-OPENING COPOLYMERIZATION OF 1,4-ANHYDRO-2,3-DI-O-BENZYL-α-D-RIBOPYRANOSE WITH 1,4-ANHYDRO-2,3-O-ISOPROPYLIDENE-α-D-RIBOPYRANOSE
- STUDY ON CATIONIC RING-OPENING COPOLYMERIZATION OF 1,4-ANHYDRO-2,3-DI-O-BENZYL-α-D-RIBOPYRANOSE WITH 1,4-ANHYDRO-2,3-O-ISOPROPYLIDENE-α-D-RIBOPYRANOSE
- 高分子科学（英文版） 1997年15卷第3期页码：282-288
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- 纸质出版：1997-09-20
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WU Chengpei, PAN Caiyuan, Toshiyuki Uryu. STUDY ON CATIONIC RING-OPENING COPOLYMERIZATION OF 1,4-ANHYDRO-2,3-DI-O-BENZYL-α-D-RIBOPYRANOSE WITH 1,4-ANHYDRO-2,3-O-ISOPROPYLIDENE-α-D-RIBOPYRANOSE[J]. 高分子科学（英文版）, 1997,15(3):282-288.

WU Chengpei, PAN Caiyuan, Toshiyuki Uryu. STUDY ON CATIONIC RING-OPENING COPOLYMERIZATION OF 1,4-ANHYDRO-2,3-DI-O-BENZYL-α-D-RIBOPYRANOSE WITH 1,4-ANHYDRO-2,3-O-ISOPROPYLIDENE-α-D-RIBOPYRANOSE[J]. 1997, 15(3): 282-288.
WU Chengpei, PAN Caiyuan, Toshiyuki Uryu. STUDY ON CATIONIC RING-OPENING COPOLYMERIZATION OF 1,4-ANHYDRO-2,3-DI-O-BENZYL-α-D-RIBOPYRANOSE WITH 1,4-ANHYDRO-2,3-O-ISOPROPYLIDENE-α-D-RIBOPYRANOSE[J]. 高分子科学（英文版）, 1997,15(3):282-288. DOI：

WU Chengpei, PAN Caiyuan, Toshiyuki Uryu. STUDY ON CATIONIC RING-OPENING COPOLYMERIZATION OF 1,4-ANHYDRO-2,3-DI-O-BENZYL-α-D-RIBOPYRANOSE WITH 1,4-ANHYDRO-2,3-O-ISOPROPYLIDENE-α-D-RIBOPYRANOSE[J]. 1997, 15(3): 282-288. DOI：

摘要

Cationic ring-opening copolymerization of 1

4-anhydro-2

3-O-isopropylidene-α-D-ribo-pyranose (AIRP) with 1

4-anhydro-2

3-di-O-benzyl-α-D-ribopyranose (ADBR) preparedfrom D-ribose was studied. Copolymerization using SbCl5 or BF3 OEt2 as catalyst atlow temperature gave stereoregular (1→4)β-D-ribofuranan (C-1 and C-4 ring cleavagesee Scheme 1) or (1→5) α-D-ribofuranan (C-1 and C-5 ring cleavage) respectively. Theeffects of catalysts

reaction time and temperatures on yield and stereoregularity of the ob-tained polymers were studied.Polymers were charaterized by molecular weight

1H NMR

13C NMR and optical rotation.

Abstract

Cationic ring-opening copolymerization of 1

4-anhydro-2

3-O-isopropylidene-α-D-ribo-pyranose (AIRP) with 1

4-anhydro-2

reaction time and temperatures on yield and stereoregularity of the ob-tained polymers were studied.Polymers were charaterized by molecular weight

1H NMR

13C NMR and optical rotation.

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