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n4google.
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Subject Item
isa:104913837
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Halo-substituted-N,N-di-substituted-O-substituted phosphine, defined by the formula: ##STR12## wherein X is a halogen, usually chloro, and R', R, and B4 are as indicated above, is reacted with an amino-protected alcohol amine defined by the formula: ##STR13## wherein B1, B2, and B3 are as indicated above, in an aprotic solvent, such as dichloromethane, or the like, containing a non-nucleophilic b
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