Water soluble metal-organic frameworks (MOFs)
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07F-003/06
C07F-015/00
출원번호
US-0349624
(2012-10-03)
등록번호
US-9290518
(2016-03-22)
우선권정보
IN-2853/DEL/2011 (2011-10-03)
국제출원번호
PCT/IN2012/000661
(2012-10-03)
국제공개번호
WO2013/051035
(2013-04-11)
발명자
/ 주소
Banerjee, Rahul
Sahoo, Subhash Chandra
Kundu, Tanay
출원인 / 주소
Council of Scientific and Industrial Research
대리인 / 주소
Schwegman Lundberg & Woessner, P.A.
인용정보
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초록▼
An efficient, one step solution state processing of Proton Conducting Homochiral Metal Organic Framework has been achieved by using derivate of amino acid and Zn(II) salt as a MOF constructor. Control over MOF solubility as well as proton conductivity has also been achieved by judicious selection of
An efficient, one step solution state processing of Proton Conducting Homochiral Metal Organic Framework has been achieved by using derivate of amino acid and Zn(II) salt as a MOF constructor. Control over MOF solubility as well as proton conductivity has also been achieved by judicious selection of the ligand architecture. This invention will lead the way for ease preparation of MOF films for industrial application.
대표청구항▼
1. Metal organic frameworks (MOFs) of Formula I [M(l/d-Lx)(X)](H2O)2 Formula IwhereinM is a metal selected from the group consisting of Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Cd, La, W, Os, Ir, Pt, Au, Hg, Sm, Eu, Gd, Tb, Dy, Ho, Al, Ga, In, Ge, Sn, Pb), Li, Na, K, Rb
1. Metal organic frameworks (MOFs) of Formula I [M(l/d-Lx)(X)](H2O)2 Formula IwhereinM is a metal selected from the group consisting of Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Cd, La, W, Os, Ir, Pt, Au, Hg, Sm, Eu, Gd, Tb, Dy, Ho, Al, Ga, In, Ge, Sn, Pb), Li, Na, K, Rb, Cs, Mg, Ca, Sr or Ba;L is derivatives of an amino acid ligand of Formula II wherein R1 is methyl or isopropyl; R2 is selected from the group consisting of pyridyl, bipyridyl, imidazolyl, pyrimidinyl, 4-(pyridin-4-yl)phenyl, napthalyl, quinolinyl, and tetrazolyl;X is CH3COO or HCOO when R1 is isopropyl; andX is Cl, Br, CH3COO or HCOO when R1 is methyl. 2. The metal organic frameworks according to claim 1, wherein the metal organic frameworks are selected from the group consisting of: [Zn(l-L1CH3COO)(CH3COO)](H2O)2 (5); wherein R1 is isopropyl, and R2 is pyridyl;[Zn(l-L1HCOO)(HCOO)](H2O)2 (6); wherein R1 is isopropyl, and R2 is pyridyl;[Zn(l-L2cl)(Cl)](H2O)2 (7); wherein R1 is methyl, and R2 is pyridyl;[Zn(l-L2Br)(Br)](H2O)2 (8); wherein R1 is methyl, and R2 is pyridyl;[Zn(l-L2CH3COO)(CH3COO)](H2O)2 (9); wherein R1 is methyl, and R2 is pyridyl; and[Zn(l-L2HCOO)(HCOO)](H2O)2 (10); wherein R1 is methyl, and R2 is pyridyl. 3. The metal organic frameworks according to claim 1, wherein the derivative of an amino acid ligands of Formula II is selected from the group consisting of: 4. The metal organic frameworks as claimed in claim 1, wherein the water solubility of the compound of Formula I wherein R1 is methyl or isopropyl; R2 is selected from the group consisting of pyridyl, bipyridyl, imidazolyl, pyrimidinyl, 4-(pyridin-4-yl)phenyl, napthalyl, quinolinyl, and tetrazolyl; X=Cl, Br, CH3COO or HCOO when methyl or isopropyl is in the range of 20-28 mg/ml. 5. The metal organic frameworks according to claim 1, wherein the metal organic frameworks are useful for proton conduction. 6. The metal organic frameworks according to claim 1, wherein the proton conductivity of the metal organic frameworks is in the range of 3.6×10−5 S cm−1 to 3.5×10−3 S cm−1. 7. A process for the preparation of the metal organic frameworks of claim 1, comprising the steps of: a) adding a metal salt to an aqueous solution of a derivative of an amino acid ligand of Formula II in a suitable container in a ratio of metal salt to derivative of an amino acid ligand of Formula II ranging between 1:1 to 1:2 followed by sonicating to obtain a solution;b) capping the container; andc) keeping the capped container as obtained in step (a) undisturbed at temperature in the range of 50 to 90° C. to obtain crystals of metal organic framework of Formula I. 8. The process according to claim 7, wherein the metal salt is zinc acetate. 9. Metal organic frameworks of Formula I [M(l/d-Lx)(X)](H2O)2 Formula IwhereinM is a metal selected from the group consisting of Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Cd, La, W, Os, Ir, Pt, Au, Hg, Sm, Eu, Gd, Tb, Dy, Ho, Al, Ga, In, Ge, Sn, Pb), Li, Na, K, Rb, Cs, Mg, Ca, Sr or Ba;L is selected from the group consisting of wherein R1 is methyl or isopropyl;X is CH3COO or HCOO when R1 is isopropyl; andX is Cl, Br, CH3COO or HCOO when R1 is methyl. 10. The metal organic frameworks of claim 1, wherein the metal organic frameworks are stable, water soluble, and biocompatible.
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