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方案
98%
旋光性
[α]20/D +116°, c = 1 in ethyl acetate
光学纯度
ee: 99% (HPLC)
mp
214-216 °C (lit.)
SMILES字符串
CC1(C)O[C@@H]([C@H](O1)C(O)(c2ccc3ccccc3c2)c4ccc5ccccc5c4)C(O)(c6ccc7ccccc7c6)c8ccc9ccccc9c8
InChI
1S/C47H38O4/c1-45(2)50-43(46(48,39-23-19-31-11-3-7-15-35(31)27-39)40-24-20-32-12-4-8-16-36(32)28-40)44(51-45)47(49,41-25-21-33-13-5-9-17-37(33)29-41)42-26-22-34-14-6-10-18-38(34)30-42/h3-30,43-44,48-49H,1-2H3/t43-,44-/m0/s1
InChI key
QWADMRIAKWGVBF-CXNSMIOJSA-N
应用
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
商品
The chiral auxiliaries TADDOLs (α,α,α,α-tetraaryl-1,3-dioxolane-4,5- dimethanols) developed by Seebach's group have found numerous applications in asymmetric synthesis ranging from utilization as stoichiometric chiral reagents or in Lewis acid mediated reactions, to roles in catalytic hydrogenation and stereoregular metathesis polymerization.
由Seebach小组开发的手性助剂TADDOL(α,α,α,α-四芳基-1,3-二氧戊环-4,5-二甲醇)在不对称合成中具有多种应用,包括从用作化学计量手性试剂或用于路易斯酸介导的反应,到在催化加氢和立体规则复分解聚合中发挥作用。
TADDOLs demonstrate versatility in metal-catalyzed asymmetric reactions and as Brønsted acid organocatalysts in hetero-Diels–Alder reactions.
相关内容
Apart from numerous examples using TADDOLs in metal-catalyzed asymmetric reactions, Rawal recently reported that TADDOLs could be used as Brønsted acid organocatalysts in highly stereoselective hetero-Diels–Alder reactions.
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