Two- and Three-Dimensional Smectic Ordering of Single-Handed Helical Polymers(12)

Two- and Three-Dimensional Smectic Ordering of Single-Handed Helical Polymers

SmecticOrderingofHelicalPolymers

Spectroscopicdataofpoly-D-1(+):IR(KBr,cm-1):3277(νN-H),1751(νCdOester),1635(amideI),1535(amideII);1HNMR(CDCl3,55°C):δ0.86(broad,CH3,3H),1.26(broad,CH2,14H),1.53(broad,CH3andCH2,5H),4.10(broad,CH2,2H),4.52(broad,CH,1H),4.9-7.8(broad,aromatic,4H),7.9-8.9(broad,NH,1H);[R]25D+1487°(c0.1,chloroform).Anal.Calcd(%)for(C21H30N2O3)n:C,70.36;H,8.44;N,7.81.Found:C,70.00;H,8.62;N,7.42.

Inthesameway,poly-L-150([1]/[2])50)andpoly-L-1200([1]/[2])200)werepreparedbythepolymerizationofL-1with2inTHFat55°Cfor20h,andpoly-L-150(-)andpoly-L-1200(-)wereobtainedastheacetone-insolublepartfromthepoly-L-150andpoly-L-1200,respec-tively.

Spectroscopicdataofpoly-L-150:IR(KBr,cm-1):3281(νN-H),1748(νCdOester),1636(amideI),1536(amideII);1HNMR(CDCl3,55°C):δ0.89(broad,CH3,3H),1.26(broad,CH2,14H),1.56(broad,CH3andCH2,5H),4.12(broad,CH2,2H),4.53(broad,CH,1H),4.7-7.7(broad,aromatic,4H),7.9-9.1(broad,NH,1H);[R]25D-876°(c0.1,chloroform).Anal.Calcd(%)for(C21H30N2O3)n:C,70.36;H,8.44;N,7.81.Found:C,70.13;H,8.28;N,7.99.

Spectroscopicdataofpoly-L-150(-):IR(KBr,cm-1):3279(νN-H),1750(νCdOester),1634(amideI),1535(amideII);1HNMR(CDCl3,55°C):δ0.88(broad,CH3,3H),1.26(broad,CH2,14H),1.54(broad,CH3andCH2,5H),4.11(broad,CH2,2H),4.52(broad,CH,1H),4.9-7.7(broad,aromatic,4H),7.9-9.0(broad,NH,1H);[R]25D-1659°(c0.1,chloroform).Anal.Calcd(%)for(C21H30N2O3)n:C,70.36;H,8.44;N,7.81.Found:C,70.38;H,8.50;N,7.72.

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