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Chemical compound
N,N′-Dimethylpropyleneurea (DMPU) is a cyclic urea sometimes used as a polar, aprotic organic solvent. Along with the dimethylethyleneurea, it was introduced
DMPU
Chemical compound
has high thermal and chemical stability. Together with homologous solvent DMPU, since the 1970s it serves as an analog of tetramethylurea. It can be prepared
1,3-Dimethyl-2-imidazolidinone
1,3-Dimethyl-2-imidazolidinone
Chemical compound
metal cations. Other alternatives to HMPA include the N,N′-tetraalkylureas DMPU (dimethylpropyleneurea) or DMI (1,3-dimethyl-2-imidazolidinone). Tripyrrolidinophosphoric
Hexamethylphosphoramide
Chemical compound
coordinated with pyridine and HMPA ligands, although the HMPA can be replaced by DMPU. It is an electrophilic source of oxygen that reacts with enolates and related
MoOPH
German chemist (born 1937)
BioMedicinal Chemistry 2004 The Ryoji Noyori Prize 2019 Arthur C. Cope Award TADDOL DMPU Chiral column chromatography Corey-Seebach reaction Hook, David F. (2004)
Dieter_Seebach
Chemical compound
(243 pm). In the corresponding complex with N,N′-dimethylpropyleneurea, [Bi(DMPU)6](ClO4)3, bismuth is six-coordinate with an approximately octahedral arrangement
Bismuth_perchlorate
Japanese optics company
‘DC Motor’ DSP — ‘Digital Signal Processor’ MPU — ‘MicroProcessing Unit’ DMPU — ‘Dual MicroProcessing Unit’ Weather-sealing technology MR — ‘Moisture-Resistant’
Tamron
Chemical compound
reaction for converting aldehydes to ketones. In some cases, an equivalent of DMPU, a Lewis base, will increase yields. For example, treating benzaldehyde with
N-tert-Butylbenzenesulfinimidoyl chloride
N-tert-Butylbenzenesulfinimidoyl_chloride
Stereogenic group placed on a molecule to encourage stereoselectivity in reactions
alkylation of α-branched amide enolates is also possible, though the addition of DMPU is necessary for less reactive electrophiles. Conditions have been developed
Chiral_auxiliary
Chemical compounds containing C–Li bonds
(Z)-enolate transition state. Addition of polar additives such as HMPA or DMPU favors the formation of (Z) enolates. The Ireland model argues that these
Organolithium_reagent
travel, tourism, insurance
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