Publication number: 20210129109
Abstract: A composite sorbent composition comprising a polymeric adsorbent; and an extractant having the formula, or a hydrate thereof, wherein Z is —C(O)— or —C(R?)(R?)— wherein R? and R? are each hydroxyl; and R1, R2, R3, and R4 are each independently hydrogen, halogen, hydroxyl, cyano, nitro, amino, —C(O)H, —C(O)OH, —C(O)NH2, alkyl, alkenyl, alkynyl, alkoxy, alkanoyl, alkylamino, alkyl carboxamide, alkyl ester, heteroalkyl, haloalkyl, haloalkoxy, cycloalkyl, aryl, arylalkyl, aryloxy, heterocycloalkyl, heteroaryl, heteroaryloxy, or heteroarylalkyl, each of which R1, R2, R3, and R4 is unsubstituted or substituted with one or more substituents independently chosen from halogen, hydroxyl, WO 2019/023355 A1 cyano, nitro, sulphonato, amino, —C(O)H, —C(O)OH, —C(O)NH2, alkyl, alkoxy, alkylamino, heteroalkyl, haloalkyl, haloalkoxy, cycloalkyl, aryl, arylalkyl, aryloxy, heterocycloalkyl, heteroaryl, heteroaryloxy, or heteroarylalkyl; or R1 and R2, R2 and R3, or R3 and R4 are together a group —O—CH2—O—, a group —CH2—O—CH2—, or
Type:
Application
Filed:
July 25, 2018
Publication date:
May 6, 2021
Inventor:
Dmytro Tymoshenko
Publication number: 20210129111
Abstract: A composite sorbent composition comprising a polymeric adsorbent; and an extractant having the formula (I), or hydrate in thereof, wherein X is O or S, A1 and A2 are each independently —C(O)— or —C(R?)(R?)— wherein R?, and R? are each independently hydrogen, halogen, hydroxyl, cyano, nitro, amino, —CHO, —COOH, C1-12 alkyl, C1-4 alkoxy, C1-4 alkylamino, C1-2 haloalkyl, C1-2 haloalkoxy, C1-12 cycloalkyl, C6-12 aryl, C7-13 arylalkyl, C3-12 heteroaryl, C1-12 heteroalkyl, or C4-12 heteroarylalkyl, Z is a covalent bond, —S—, —O—, —SO2—, —SO—, —P(R)(?O)—, —NR—, -C(O)-, -C(O)NH-, —C(?N—R)—, or —C(R?)(R?)— wherein R, R?, and R? are each independently hydrogen, halogen, hydroxyl, cyano, nitro, amino, —CHO, —COOH, —C(O)NH2, C1-12 alkyl, C1-12 alkoxy, C1-12 alkylamino, C1-4 haloalkyl, C1-4 haloalkoxy, C4-12 cycloalkyl, C6-12 aryl, C7-13 arylalkyl, C3-12 heterocycloalkyl, C3-12 heteroaryl, C1-12 heteroalkyl, or C4-12 heteroarylalkyl, and R1 and R2 are each independently hydrogen, halogen, hydroxyl, cyano, nitro, amino, or
Type:
Application
Filed:
July 25, 2018
Publication date:
May 6, 2021
Inventor:
Dmytro Tymoshenko