N,N'-Dimethylethylenediamine → 1,3,2-Diazaphospholidine, 1,3-dimethyl-2-ethoxy-

HRID 1583638Notes

Reaction equation

[CH3:1][NH:2][CH2:3][CH2:4][NH:5][CH3:6].[CH2:7]([O:9][P:10](Cl)Cl)[CH3:8]>>[CH3:1][N:2]1[CH2:3][CH2:4][N:5]([CH3:6])[P:10]1[O:9][CH2:7][CH3:8]

Participants

Reactant 2

HCID 8070N,N'-Dimethylethylenediamine

HCID 73905Ethyl dichlorophosphite

Product 1

HCID 1432921,3,2-Diazaphospholidine, 1,3-dimethyl-2-ethoxy-Yield 45.9%

Procedure

Substantially the same procedure was followed as in Example 1, with 3.00 grams (34 mmol) N,N'-dimethylethylenediamine and 4.55 grams (31 mmol) ethylphosphorodichloridite to produce 2.31 grams of 1,3-dimethyl-2-ethoxy-1,3-diaza-2-phosphacyclopentane, ##STR25## as phosphorus amide catalyst.

Sources & evidence

ORD record: ord-28ff6eb5bcfa4951977423aceafa4a12
Source dataset: uspto-grants-1985_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04552961

Reaction notes

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