227439
Lawesson 试剂
90%
别名:
2,4-Bis(4-methoxyphenyl)-2,4-dithioxo-1,3,2,4-dithiadiphosphetane, 2,4-Bis-(4-methoxyphenyl)-1,3-dithia-2,4-diphosphetane 2,4-disulfide, 4-甲氧基苯基硫代磷环二(硫代酸酐), LR
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关于此项目
经验公式（希尔记法）:
C14H14O2P2S4
化学文摘社编号:
分子量:
404.47
UNSPSC Code:
12352005
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
1024888
产品名称
Lawesson 试剂, 90%
InChI
1S/C14H14O2P2S4/c1-15-11-3-7-13(8-4-11)17(19)21-18(20,22-17)14-9-5-12(16-2)6-10-14/h3-10H,1-2H3
SMILES string
COc1ccc(cc1)P2(=S)SP(=S)(S2)c3ccc(OC)cc3
InChI key
CFHGBZLNZZVTAY-UHFFFAOYSA-N
assay
90%
form
powder
mp
228-230 °C (lit.)
Quality Level
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Application
Lawesson试剂可用作合成以下成分的试剂：
- 通过与β--萘酚和8-羟基喹啉的曼尼希碱反应合成甲氧基苯基硫代磷环-3-硫醇衍生物。
- 在存在亚磷酸三烷基酯的条件下，通过与苯甲醛反应生成1,3,5,2-三硫代膦烷-2-硫化物衍生物。
- 从苯甲醛和丙烯酸乙酯合成2,4,6-三苯基-1,3,5-三噻烷
- 通过9-苯并蒽酮肟硫化作用合成9-苯并蒽酮硫酮。
- 从2,2,4,4-四甲基-3-硫代环丁酮 S-氧化物合成1,2,4-三硫杂环戊烷。
- 三萜氧基化合物的硫衍生物。
- 在室温下将原位捕获Tropothione并与亲二烯体一起捕获。
General description
Lawesson′s试剂通常在有机合成中用作硫杂化剂，用于将氧官能团转化为其硫代类似物。其可促进羰基到硫代羰基以及碳-氧单键到碳-硫单键的转化。
signalword
Danger
hcodes
pcodes
Hazard Classifications
Water-react 2
supp_hazards
存储类别
4.3 - Hazardous materials which set free flammable gases upon contact with water
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Jos C M Kistemaker et al.
Journal of the American Chemical Society, 139(28), 9650-9661 (2017-06-20)
Symmetric molecular motors based on two overcrowded alkenes with a notable absence of a stereogenic center show potential to function as novel mechanical systems in the development of more advanced nanomachines offering controlled motion over surfaces. Elucidation of the key
A novel protocol for the generation of tropothione and its trapping with electron deficient dienophiles
Nair V, et al.
Tetrahedron Letters, 47(52), 9329-9329 (2006)
Synthesis of 1, 2, 4-trithiolanes from thione S-oxides and Lawesson reagent at room temperature
Okuma K, et al.
Bulletin of the Chemical Society of Japan, 77(1), 187-188 (2004)
B G Bruinsma et al.
American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons, 14(6), 1400-1409 (2014-04-25)
To reduce widespread shortages, attempts are made to use more marginal livers for transplantation. Many of these grafts are discarded for fear of inferior survival rates or biliary complications. Recent advances in organ preservation have shown that ex vivo subnormothermic
K A Jørgensen et al.
IARC scientific publications, (41)(41), 159-168 (1982-01-01)
The reaction between N-nitrosamides and 2,4-bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-disulfide (LR) at low temperature (20-50 degrees C) gives the corresponding thioamides as the main products. In the reaction between N-nitroso-2-pyrrolidone and LR, dihydro-2-(3H)-thiophenone (III) is also isolated. Mechanistic considerations for the formation of III
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