
二噻烷 - 百度百科
一种 化学 物的名称,即1,3- 二噻烷。 按规格使用和贮存,不会发生分解,避免与氧化物接触。 本品本身是不可燃的。 使用过的产品可能会包含有危险的物质。 1.性状:微黄色针状晶体,易吸潮。 2. 密度(g/ cm 3,25/4℃):未确定。 3. 相对蒸汽密度(g/cm 3,空气=1):未确定。 4. 熔点(ºC):53-54 。 5. 沸点(ºC,760 mmHg):207~208 。 6. 沸点(ºC,12 mmHg):60~62。 7. 折射率:未确定。 8. 闪点(ºC):90 。 9. 比旋光度(º):未确定。 10. 自燃点或引燃温 …
Dithiane - Wikipedia
A dithiane is a heterocyclic compound composed of a cyclohexane core structure wherein two methylene bridges (−CH 2 − units) are replaced by sulfur. The three isomeric parent heterocycles are 1,2-dithiane, 1,3-dithiane and 1,4-dithiane. They are all colorless solids.
1,4-Dithiane | C4H8S2 | CID 10452 - PubChem
1,4-dithiane is a dithiane that is cyclohexane in which the -CH2- units at positions 1 and 2 have been replaced by sulfur atoms. Computed by PubChem 2.2 (PubChem release 2021.10.14) Lewis, R.J. Sr.; Hawley's Condensed Chemical Dictionary 14th Edition. John Wiley & Sons, Inc. New York, NY 2001., p. 417.
1,3-Dithianes, 1,3-Dithiolanes - Organic Chemistry Portal
1,3-Dithianes and 1,3-dithiolanes can easily be prepared from carbonyl compounds with 1,3-propanedithiol or 1,2-ethanedithiol in the presence of a Brönsted or a Lewis acid catalyst. Removal of a dithiane protection group often requires harsh conditions and is usually performed in the late synthetic stage.
1,3-二噻烷 1,3-Dithiane - 化学空间 Chem-Station
2014年6月24日 · 概要1,3-二噻烷的二号位亚甲基上的氢具有较高的酸性(pKa31.1),与烷基锂试剂等强碱反应的话能得到烷基碳负离子。 硫缩醛的脱保护会得到羰基,1,3-二噻烷相当于酰基负离子的等价体来使用(酰基的极性变换)。
Dithiane - Chemistry LibreTexts
2022年2月28日 · A dithiane is a compound whose molecule has a six-membered ring containing two sulfur atoms. Dithianes are classified into three classes. 1. 1,2-dithianes. Dithiane 1 and its derivates are called 1,2-dithianes. 2. 1,3-dithianes. Dithiane 2 and its derivates are called 1,3-dithianes. 3. 1,4-dithianes. Dithiane 3 and its derivatives are called 1 ...
1,4-二噻烷 | 505-29-3 - ChemicalBook
ChemicalBook 为您提供1,4-二噻烷 (505-29-3)的化学性质,熔点,沸点,密度,分子式,分子量,物理性质,毒性,结构式,海关编码等信息,同时您还可以浏览1,4-二噻烷 (505-29-3)产品的价格,供应商,贸易商,生产企业和生产厂家,最后1,4-二噻烷 (505-29-3)的中文,英文,用途,CAS,上下游产品信息可能也是您需要的。
1,2-Dithiane | C4H8S2 | CID 136335 - PubChem
2021年10月14日 · 1,2-Dithiane | C4H8S2 | CID 136335 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
1,3-dithiane - an overview | ScienceDirect Topics
2014年1月4日 · 1,3-dithiane is a stable chemical compound due to the influence of adjacent sulfur atoms on carbanions, making it a preferred intermediate in chemical reactions. You might find these chapters and articles relevant to this topic.
1,3-二噻烷 CAS#: 505-23-7 - ChemicalBook
2025年2月8日 · 1,3-Dithiane 是一种受保护的甲醛阴离子当量,可以用作有用的标记合成子。 1,3-Dithiane 是在煮熟的牛肉提取物中发现的含硫美拉德反应产物 (MRPs) 。 1,3-Dithiane 对鼠伤寒沙门氏菌 TA98 和 TA100 具有有效的诱变作用。