2) xylopyranosylthiourea
木吡喃糖基硫脲
3) guanidinoxylopyranoside
胍基木吡喃糖苷
1.
The reaction of 2,3,4-tri-O-acetyl-β-D-xylopyranosyl isothiocyanate 1 and 2-amino-4/6-substituted benzothiazoles 2a～2e gave xylopyranosylthioureas 3a～3e,which then reacted with alkyl/aryl amine in the presence of HgCl_2 to afford a series of new guanidinoxylopyranosides (4a～4e,5a～5e,6a～6e and 7a～7e).
2,3,4-三-O-乙酰基-β-D-木吡喃糖基异硫氰酸酯1与2-氨基-4/6-取代-苯并噻唑2a～2e反应,生成糖基硫脲衍生物3a～3e,再在伯胺存在下经氯化汞脱硫,得到一系列新的胍基木吡喃糖苷类化合物4a～4e,5a～5e,6a～6e,7a～7e,所有新化合物的结构均经IR,~1H NMR,MS谱和元素分析证实,所得产物均为β-构型。
4) xylopyranosyl isothiocyanate
木吡喃糖基异硫氰酸酯
1.
The reaction of 2,3,4-tri-O-acetyl-β-D-xylopyranosyl isothiocyanate 1 and 2-amino-4/6-substituted benzothiazoles 2a～2e gave xylopyranosylthioureas 3a～3e,which then reacted with alkyl/aryl amine in the presence of HgCl_2 to afford a series of new guanidinoxylopyranosides (4a～4e,5a～5e,6a～6e and 7a～7e).
2,3,4-三-O-乙酰基-β-D-木吡喃糖基异硫氰酸酯1与2-氨基-4/6-取代-苯并噻唑2a～2e反应,生成糖基硫脲衍生物3a～3e,再在伯胺存在下经氯化汞脱硫,得到一系列新的胍基木吡喃糖苷类化合物4a～4e,5a～5e,6a～6e,7a～7e,所有新化合物的结构均经IR,~1H NMR,MS谱和元素分析证实,所得产物均为β-构型。
5) Methyl-β-D-xylopyranoside
甲基-β-D-吡喃木糖苷
6) pyranose
['paiərənəus]
吡喃糖
1.
Ultrasound Synthesis of 2,3,4,6-Tetra-O-acetyl-1-chloro-1-bromo-β-D-pyranose;
2,3,4,6-四-氧-乙酰基-1-溴-1-氯-β-D-吡喃糖的超声波合成
补充资料：树胶GELLAN吡喃葡萄糖醛酸与6-脱氧-L-吡喃甘露糖和D-吡喃葡萄糖乙酸酯的聚合物钙钾钠盐
CAS: 71010-52-1
中文名称: 树胶GELLAN吡喃葡萄糖醛酸与6-脱氧-L-吡喃甘露糖和D-吡喃葡萄糖乙酸酯的聚合物钙钾钠盐
英文名称: Gellan gum；gelrite gellan gum；gelrite(gellan gum) ；D-Glucopyranuronic acid, polymer with 6-deoxy-L-mannopyranose and D-glucopyranose, acetate, calcium potassium sodium salt；
中文名称: 树胶GELLAN吡喃葡萄糖醛酸与6-脱氧-L-吡喃甘露糖和D-吡喃葡萄糖乙酸酯的聚合物钙钾钠盐
英文名称: Gellan gum；gelrite gellan gum；gelrite(gellan gum) ；D-Glucopyranuronic acid, polymer with 6-deoxy-L-mannopyranose and D-glucopyranose, acetate, calcium potassium sodium salt；
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条