13C-N.m.r. structural study on an enteric pharmaceutical coating cellulose derivative having ether and ester substituents

NMR Measurement of Identical Polymer Samples by Round Robin Method I. Reliability of Chemical Shift and Signal Intensity Measurements

Riichirǒ Chûjô, Koichi Hatada, Ryozo Kitamaru et al. · Polymer Journal · 1987 · 71 citations

Natural Sciences, Chemistry, Materials Science +13

Determination of substituent distribution in cellulose ethers by means of a carbon-13 NMR study on their acetylated derivatives. 1. Methylcellulose

Yasuyuki Tezuka, Kiyokazu Imai, Mitsuyoshi Oshima et al. · Macromolecules · 1987 · 55 citations

Pharmacy, Biochemistry, Chemistry +15

Determination of substituent distribution in cellulose ethers by 13C- and 1H-n.m.r. studies of their acetylated derivatives: O-(2-hydroxypropyl)cellulose

Yasuyuki Tezuka, Kiyokazu Imai, Mitsuyoshi Oshima et al. · Carbohydrate Research · 1990 · 39 citations

Natural Sciences, Biochemistry, Chemistry +9

Determination of substituent distribution in cellulose ethers by means of a 13C nuclear magnetic resonance study on their acetylated derivatives: 3. Hydroxyethylcellulose

Yasuyuki Tezuka, Kiyokazu Imai, Mitsuyoshi Oshima et al. · Polymer · 1989 · 33 citations

Natural Sciences, Biochemistry, Chemistry +9

Determination of substituent distribution in cellulose ethers by means of a ¹³C NMR study on their acetylated derivatives, 4. <i>O</i>‐methyl‐<i>O</i>‐hydroxyalkylcelluloses

Yasuyuki Tezuka, Kiyokazu Imai, Mitsuyoshi Oshima et al. · Die Makromolekulare Chemie · 1990 · 18 citations

Pharmacy, Biochemistry, Chemistry +13