CHEM 215 Lecture Notes - Lecture 25: Methionine, Trifluoromethanesulfonate, Lysine
Document Summary
Nh2 alanine: r = ch3 arginine: r = H asparagine: r = ch2conh2 aspartic acid: r = ch2co2h cysteine: r = ch2sh glutamic acid: r = ch2ch2co2h glutamine: r = ch2ch2conh2 glycine = r = h histidine: r = N isoleucine: r = ch(ch3)ch2ch3 (s) leucine: r = ch2ch(ch3)2 lysine: r = ch2ch2ch2ch2nh2 methionine: r = ch2ch2sch3 phenylalanine: r = ch2ph serine: r = ch2oh threonine: r = ch(oh)ch3 (r) tryptophan: r = H tyrosine: r = ch2(c6h4)-oh (para) valine: r = ch(ch3)2 some common reagents. R-so2cl: r = ch3 (mscl) methanesulfonyl chloride mesyl / mesylate . R = cf3 (tfcl) trifluromethanesulfonyl chloride trifyl / triflate . R = p-ch3(c6h4) (tscl) para-toluenesulfonyl chloride tosyl / tosylate (ch3ch2)3n tea triethylamine p-ch3(c6h4)so2oh tsoh para-toluenesulfonic acid. Ch3oh meoh methanol (ch3)2choh iproh or prioh isopropyl alcohol (ch3)3coh tbuoh or butoh tert-butyl alcohol.
