CAS: 439685-79-7; (2S,3R,4S,5R)-2-(2-Hydroxypropyl)Tetrahydro-2H-Pyran-3,4,5-Triol

上下游产品

4,8-Anhydro-1,3-Dideoxy-D-Gulo-Octulose 439685-73-1

4,8-Anhydro-1,3-Dideoxy-D-Gulo-octulose置于sodium Tetrahydroborate体系中,用 水 作为反应溶剂,化学反应生成 玻色因
参考文献:一种羟丙基四氢吡喃三醇的制备方法
标题:一种羟丙基四氢吡喃三醇的制备方法
摘要:本发明公开了一种羟丙基四氢吡喃三醇的制备方法,该方法主要包括以下步骤:以d‑木糖和乙酰丙酮为原料,在碱性条件下进行缩合反应,制得1‑c‑(β‑d‑吡喃木糖基)‑丙酮;1‑c‑(β‑d‑吡喃木糖基)‑丙酮与硼氢化钠进行还原反应,得到羟丙基四氢吡喃三醇碱水溶液;羟丙基四氢吡喃三醇碱水溶液加入酸调节ph至中性,得到羟丙基四氢吡喃三醇盐水溶液;羟丙基四氢吡喃三醇盐水溶液进行脱盐纯化和除杂纯化,得到羟丙基四氢吡喃三醇水溶液;羟丙基四氢吡喃三醇水溶液进行浓缩除水,得到羟丙基四氢吡喃三醇纯品.本发明可有效解决现有技术中存在的如醋酸盐,硼酸盐,氯化钠等无机盐残留和产品纯度低等问题.

专利信息

专利号:US-12036300-B2
优先权日:2021-03-31
标题:Methods and compositions for improving skin
发明人：LIAO I-CHIEN; BRIEVA PATRICIA; JUCHAUX FRANCK; BOUEZ CHARBEL; ZHENG QIAN; QIAN KUN
权利人:OREAL
摘要:A method for managing skin tone comprising reducing the synthesis of melanin by applying a skin treatment composition to skin. The skin treatment composition may include about 0.1 to about 25 wt. % of acetyl trifluoromethylphenyl valylglycine; about 0.5 to about 30 wt. % of a polyol; about 0.1 to about 30 wt. % of a silicone, fatty compound, or a mixtures thereof, wherein the skin treatment composition is an emulsion, and all weight percentages are based on the total weight of the skin treatment composition.

专利号:CN-220657467-U
优先权日:2023-07-05
标 题 :A kind of micro-reaction equipment for continuous flow synthesis of wave colorin

专利号:CN-117535256-A
优先权日:2023-11-16
标 题:A carbonyl reductase and its application in the synthesis of Boseine

专利号:CN-118546901-A
优先权日:2024-07-30
标题:Alcohol dehydrogenase mutants, dual-enzyme co-expression recombinant bacteria and their applications in the synthesis of S-bosone

专利号:CN-117737149-A
优先权日:2024-02-20
标 题 :An enzyme-catalyzed method for efficient synthesis of high-purity S-Boseine

专利号:CN-119307463-A
优先权日:2024-12-19
标题 :Carbonyl reductase mutant and application thereof in synthesis of S-vitronectin