O-methyl-N,N'-diisopropylisourea → HCID 86739247, Verbindung
Reaktionsgleichung
[CH3:1][C:2]1([CH3:15])[C@H:4](/[CH:5]=[C:6]2/[C:7](=[O:11])[S:8][CH2:9][CH2:10]/2)[C@H:3]1[C:12]([OH:14])=[O:13].[CH:16](NC(=NC(C)C)OC)(C)C>C(O)C>[CH3:1][C:2]1([CH3:15])[C@H:4](/[CH:5]=[C:6]2/[C:7](=[O:11])[S:8][CH2:9][CH2:10]/2)[C@H:3]1[C:12]([O:14][CH3:16])=[O:13]Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
Using the procedure of Example 17, 4.5 g of (1R,trans) 2,2-dimethyl-3-[(E) (dihydro-2-oxo-3-(2H)-thienylidene)-methyl]-cyclopropane-1-carboxylic acid and 3.5 g of methyl N,N'-diisopropylcarbamimidate were reacted to obtain 2.2 g of methyl (1R,trans) 2,2-dimethyl-3-[(E) (dihydro-2-oxo-3-(2H)-thienylidene)-methyl]-cyclopropane-1-carboxylate with a specific rotation of [α]D20 =+66.5°±1.5° (c=1.2% in ethanol).