... 1977,25, 73-253. (e) Walker, BJ In Organophosphorus Reagents in Organic Synthesis; Cadogan, J. I. G., Ed.; Academic Press: New York, 1979; pp 155-206. ... (b) For a recent review about the chemistry of N-methoxy-N- methylamides, see: Sibi, MP Org. Prep. ... Page 2. 5454 J. Org. ...