http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-4129753-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_20d3042eb4ea7c9afd525aa89373349d |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D405-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F220-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G59-1405 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F8-48 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F8-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D317-36 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G59-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D405-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D317-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F8-00 |
| filingDate | 1991-09-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6e29aa996409580cf52d1df6e4b3d144 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bc726dac2506b806c3aecb5d4b2c6c94 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_001846fae4951816d1065a0190c96a77 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ca79f4c12a25d76ab2724e6d6bb0323e |
| publicationDate | 1993-03-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | DE-4129753-A1 |
| titleOfInvention | METHOD FOR PRODUCING CYCLOCARBONATE CONTAINERS |
| abstract | Prodn. of cyclic carbonates of formula (IA) comprises reaction of the corresp. epoxides (IIA) with CO2 in the presence of reactive solvent and catalyst(s), at elevated temp. under normal or slightly elevated pressure. Cyclic carbonates R4-((CO)p-O-CH2-R)n (IB), -(CR5R6-CH2-CR5(COOCH2R)-CH2)k- (IC) and R-CH2-O-C6H4-Z-C6H4-O-(R7)r-CH2-R (ID) are also produced by the same process from corresp. epoxides (IIB), (IIC) and (IID); R = a gp. of formula (III); R1-R3 = H or opt. substd., satd. or unsatd. 1-20C aliphatic, cycloaliphatic, aromatic or araliphatic hydrocarbyl or a heterocyclic, ether or ester residue; R4 = H or (1-4)-valent satd. or unsatd. cycloaliphatic, aromatic, araliphatic or heterocyclic gp. ether gp. or ester gp., with up to 20C atoms; R5 = H or opt. substd. 1-18C alkyl; R6 = COOR5, CN, COO-CmH2m-N(R5)2, COO-CmH2m-OH, CONH2 or opt. substd. Ph (with m = 2-6); R7 = -CH2CHOHCH2OC6H4ZC6H4O; Z = CH2 or C(R5)2; n = 1, 2, 3 or 4; p = 0 or 1; k = 5-1000; r = 0-20. Reactive solvents are aliphatic 2-keto-1,3-dioxolanes, pref. ethylene and/or propylene carbonate, in amts. of 5-500 (pref. 10-200, esp. 40-140) wt.% w.r.t. (II). Reaction is carried out at 60-140 (pref. 80-120) deg.C and 1-10 (pref. 1-3) bar, in the presence of 0.05-5 (pref. 0.1-3, esp. pref. 0.2-1) wt.% catalyst (IV) and 0.05-5 (pref. 0.1-2, esp. pref. 0.2-1) wt.% co-catalyst(s) (V) (w.r.t. II). (IV) are amines, amidines, guanidines, imidazoles, phosphanes, phosphoranes, quat. cpds. of formula (R')4N+ X- (with R' = same or different alkyl or benzyl; X = Cl, Br, I or OH), and (V) are alkali or alkaline earth halides, hydroxides, alcoholates and/or carbonates. USE/ADVANTAGE - The process can be carried out at normal pressure to give (I) in high yield, with shorter times and lower reaction temps. than in prior-art processes. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6838530-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2004060935-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6093299-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1630161-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6825286-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1630161-A4 |
| priorityDate | 1991-09-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 142.