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Dichlorquinazine

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Unii-ccx4U97PF3.png

CORRECT STR OF Dichlorquinazine

7-chloro-N-[1-[4-[2-[(7-chloroquinolin-4-yl)amino]propyl]piperazin-1-yl]propan-2-yl]quinolin-4-amine;methanesulfonic acid

  • 1,4-Piperazinediethanamine, N,N’-bis(7-chloro-4-quinolinyl)-α,α’-dimethyl- (9CI)
  • Quinoline, 4,4-[1,4-piperazinediylbis[(1-methylethylene)imino]]bis[7-chloro- (7CI)
  • Quinoline, 4,4′-[1,4-piperazinediylbis[(1-methylethylene)imino]]bis[7-chloro- (8CI)
  • N1,N4-Bis(7-chloro-4-quinolinyl)-α14-dimethyl-1,4-piperazinediethanamine
  • 1,4-Bis[2-(7-chloro-4-quinolylamino)propyl]piperazine
  • Bis[(chloro-7”-quinolyl-4”)amino-2′-propyl]-1,4-piperazine
  • Dichlorquinazine
  • N,N’-Bis(7-chloro-4-quinolyl)-α,α’-dimethylpiperazine-1,4-diethylamine
  • NSC 129790
  • RP 12278
  • WR 3863

WRONG STRUCTURE

4,4'-(1,4-Piperazinediylbis((1-methylethylene)imino))bis(7-chloroquinoline).png

WRONG STRUCTURE

Dichlorquinazine

  • BRN 0867697
  • Dichlorquinazine
  • EINECS 234-130-6
  • NSC 129790
  • RP 12278
  • UNII-HT3GAD2SCM
  • WR 3863

cas 10547-40-7

C28H32Cl2N6, mw

523.5

7-chloro-N-[2-[4-[2-[(7-chloroquinolin-4-yl)amino]propan-2-yl]piperazin-1-yl]propan-2-yl]quinolin-4-amine

VARIANT

2D chemical structure of 23256-65-7

RN: 23256-65-7

Molecular Formula, C28-H32-Cl2-N6.C-H4-O3-S, Molecular Weight, 619.6144

  • RP-12278 mesylate
  • WR-3863 mesylate
  • Quinoline, 4,4′-(1,4-piperazinediylbis((1-methylethylene)imino))bis(7-chloro-, tetramethanesulfonate bis((7-chloro-4”-quinolyl)-2′-aminopropyl)-1,4-piperazine methanesulfonate
wdt-16

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PATENTS

BE 626239

4-(Chloro or alkoxy)quinolines are treated with a 1,4-bis(aminoalkyl)piperazine to give the title compds. which can be used as antiinflammatory agents and as amebicides.  Thus, a mixt. of 16.3 g. 4-chloroquinoline, 10 g. 1,4-bis(3-aminopropyl)piperazine, 55 g. PhOH, and 0.2 g. NH4Cl is heated 5 hrs. at 175°, poured into a mixt. of 500 ml. H2O and 100 ml. NaOH (d. 1.33), filtered, the ppt. is treated with a mixt. of 80 ml. H2O and 20 ml. NaOH, the mixt. filtered, and the ppt. washed with 500 ml. H2O and dried to give 15.9 g. 1,4-bis[3-(4-quinolyl)aminopropyl]piperazine, m. 210°(MeOH-H2O).  Similarly prepd. are the following I:  n, R, R1, R2, X, Y, m.p.; 2, H, H, H, MeO, H, 245° (HCONMe2); 2, H, H, H, H, SO2NMe2, 271° (HCONMe2); 2, H, H, H, H, CF3, 293° (HCONMe2); 3, Me, H, H, H, H, ∼100°; 3, Me, Ac, H, H, H, -(1); 3, Me, H, H, MeOH, 180° and 190°; 3, Me, Ac, H, MeO, H, -(2); 1, Me, H, Me, H, Cl, 264°; 2, H, H, H, Cl, H, 264° (BuOH); 1, Me, H, H, H, CF3, 240° (MeCOEt); 2, H, H, H, H, MeO, 200° (EtOH); 2, H, H, Me, H, MeO, 216° (EtOH); 3, Me, H, H, H, MeO, 218° (CH2Cl2); (1) bis(acid maleate) m. 155° (iso-PrOH), (2) bis(acid maleate) m. 155°  The following II were also prepd.:  n, R, R1, R2, m.p.; 1, Me, A(R = R1 = X = Y = H,Z =Cl), A(R = R1 = X = Z = H,Y = Cl), 208-10° (HCONMe2); 1, Me, A(R = R1 = X = Y= H, Z = Cl), A(R = R1 = X = Y = H,Z = MeO), 206-8° (HCONMe2); 1, Me, A(R1 = X = Y = H, R = 4-ClC6H4, Z = Cl), A(R = R1 = X = Y = H,Z = Cl, 230-2° (HCONMe2)  The following III were prepd.:  n, R, m, R1, R2, m.p.; 3, Me, 1, H, A(R = R1 = X = Y = H, Z= Cl), 190-1° and 213-15°; 2, H, 2, H, A(R = X = Y = H, R1 = Me, Z =Cl), 198° (PrOH); 3, Me, 2, H, A(R = R1 = X = Y = H,Z = Cl), 160-2°; 1, Me, 1, H, A(R = R1 = X = Y = H,Z = Cl), 178°; 1, Me, 1, Me, A(R1 = X = Z = H,R = Me, Y =AcNH), 330° (decompn.) (EtOH); 2, H, 2, H, A(R1 = X = Y = H,R = 4-ClC6H4,Z = Cl), 320-1° (HCONMe2); 2, H, 2, H, A(R = Y = Z = H, R1 = Me, X = Cl) 96° (iso-PrOH); 1, Me, 1, Me, A(R = R1 = X = Z = H, Y = Cl), 220° and 246-8°; 1, Me, 1, Me, A(R1 = X = Z = H, R = Me, Y = NH2), 305° (EtOH-H2O); 1, Me, 1, Me, A(R1 = X = Z = H, R = Me, Y = MeO, 244° (EtOH)  Also prepd. were (m.p. given): 1,4-bis[2-(7-chloro-4-quinolylamino)propyl]hexahydro-1,4-diazepine, 169°; 1-[5-(7-chloro-4-quinolylamino)-2-pentyl]-4-[2-(7-chloro-4-quinolylamino)propyl] piperazine, 210-12°(HCONMe2); 1,4-bis[3-(7-chloro- 4-quinolylamino)propyl] hexahydro-1,4-diazepine, 186° (HCONMe2).  The following were prepd. (m.p. and optical rotation given):L(+)-1,4-bis[2-(7-chloro-4-quinolylamino)propyl]piperazine, 250-1°, [α]23.5D 382° ± 1° (c 4, 50:50 MeOH-H2O); D(-)-1,4- bis[2-(7-chloro-4-quinolylamino)propyl] piperazine, 250-1°, [α]25D -382.5° ± 1° (c 4, 50:50 MeOH-H2O); DL-1,4-bis[2-(7-chloro-4-quinolylamino)propyl]piperazine (IV), 266-8°, -; meso-1,4-bis [2-(7-chloro-4-quinolylamino)propyl] piperazine (V), 270-1° (HCONMe2), -; equimol. mixt. of IV and V, 250-2°, -; 1,4-bis[2-(6-chloro-4-quinolylamino)propyl]piperazine-form A (VI-form A), 227° -; VI-form B, 110° and 245°, -.  Also prepd. are the following intermediates of the general formula VII (R = H) (X, Y, Z, and m.p. given): OH, H, SO2NMe2, ∼288°; Cl, H,SO2NMe2, 170°; HO(CH2)3CHMeNH, H, H, 158° (EtOH); AcO(CH2)3CHMeNAc, H, H, -; HO(CH2)3CHMeNAc, H, H, -; MeSO3(CH2)3CHMeNAc, H, H, -; N-(5-piperazino-2-pentyl)acetamido, H, H, -; HO(CH2)3CHMeNH, MeO, H, -; AcO(CH2)3CHMeNAc, MeO, H, -; HO(CH2)3CHMeNAc, MeO, H, -; MeSO3(CH2)3CHMeNAc, MeO, H, -; N-(5-piperazino-2-pentyl)acetamido, MeO, H, -; Me(HOCH2)CH, H, Cl, 210°; Me(ClCH2)CH, H, Cl, 148-50°; Me(HOCH2)CH, Cl, H, 192°; Me(ClCH2)CH, Cl, H, 142°; Me(HOCH2)CH, H, MeO, 170°; Me(ClCH2)CH, H, MeO, 160°.  Also prepd. were (m.p. given): VII (R = CO2Et, X = OH, Y = H, Z = SO2NMe2), ∼335°; VII (R = CO2H, X = OH, Y = H, Z = SO2HMe2), 310° (decompn.); 1,4-bis(2-oxopropyl)hexahydro-1,4-diazepine, -; 1,4-bis(2-oximinopropyl)hexahydro-1,4-diazepine, 180-1°; 1,4-bis(2-aminopropyl)hexahydro-1,4-diazepine, -; 1,4-bis(2-cyanoethyl)-hexahydro-1,4-diazepine, -.  The following were prepd. (m.p. and optical rotation given): L(+)-4-(3-hydroxy-2-propylamino)-7-chloroquinoline, 223-4°, [α]24D 28.5° ± 2° (c 1, EtOH); L(+)-4-(3-chloro-2-propylamino)-7-chloroquinoline, 146-7°, [α]24D 103 ± 1° (c 2, EtOH); L(+)-4-(3-piperazino-2-propylamino)-7-chloroquinoline, 128-30°, [α]23D 139 ± 1° (c 2, EtOH); D(-)-4-(3-hydroxy-2-propylamino)-7-chloroquinoline, 223-4°, [α]25D – 31 ± 2° (c 1, EtOH); D(-)-4-(3-chloro-2-propylamino)-7-chloroquinoline, 147-8°, [α]24D -101 ± 1° (c 2, EtOH); D(-)-4-(3-piperazino-2-propylamino)-7-chloroquinoline, 131-2°, [α]23D -137 ± 1° (c 2, EtOH)

PATENT

FR CAM42 19631007.

Piperazines (I) are antiinflammatory and anthelmintic agents.  A mixt. of 8.25 g. MeCH(NH2)CH2OH, 19.8 g. 4,6-dichloroquinoline, and 55 g. PhOH is heated to give 16.0 g. 6-chloro-4-[(3-hydroxy-2-propyl)-amino]quinoline (II), m. 192°.  II (14.0 g.) is treated with a soln. of 10.6 g. SOCl2 in 40 ml. CHCl3 to give 12.5 g. 6-chloro-4-[(3-chloro-2-propyl)amino]quinoline (III), m. 142°.  A mixt. of 13.2 g. 1-[2-(7-chloro-4-quinolylamino)propyl]piperazine, 11.0 g. III, 6.4 g. NaI, 2.3 g. anhyd. Et3N, and 200 ml. AcEt is refluxed 18 hrs., the solvent is distd. in vacuo, and the residue is taken up in 100 ml. MeOH.  The mixt. is made alk. with 110 ml. NaOH (d. 1.33), poured into 1000 ml. H2O, and the ppt. that forms is filtered off, washed with H2O, and recrystd. in HCONMe2 to give 11.0 g. 1-[2-(7-chloro-4-quinolylamino)propyl]-4-[2-(6-chloro-4-quinolylamino)propyl]piperazine, m. 208-10°.  Similarly prepd. are the following I (R, m, R1, n, R2, R3, R4, and m.p. given): H, 2, H, 2, H, MeO, H, 245°; H, 2, H, 2, H, H, SO2NMe2, 271°; H, 2, H, 2, H, H, CF3, 293°; Me, 3, Me, 3, H, MeO, H, 180° and 190°; Me, 3, H, 1, H, H, Cl, 190-1° and 213-15°; H, 2, H, 2, H, Cl, H, 264°; Me, 1, Me, 1, H, H, CF3, 240°; H, 2, H, 2, H, H, MeO, 200°; Me, 3, H, 2, H, H, Cl, 160-2°; Me, 1, H, 1, H, H, Cl, 178°; Me, 1, Me, 1, Me, AcNH, H, 330°; H, 2, H, 2, p-ClC6H4, H, Cl, 320-1°; Me, 1, Me, 1, H, Cl, H, 227° (form A); Me, 1, Me, 1, H, Cl, H, 110° and 245° (form B); H, 3, H, 3, H, H, Cl, 239-41°; Me, 1, Me, 1, Me, NH2, H, 305°; Me, 1, Me, 1, Me, MeO, H, 244°; Me, 3, Me, 3, Me, 3, H, H, MeO, 218°; H, 3, H, 3, H, H, Cl, 240-2°.  Also prepd. are (m.p. given): 1,4-bis[2-(7-chloro-4-quinolylamino)propyl]hexahydrodiazepine, 169°; 2,5-dimethyl-1,4-bis[2-(7-chloro-4-quinolylamino)propyl)piperazine, 264°; 1-[5-(7-chloro-4-quinolylamino [-2-pentyl]-4-[2-(7-chloro -4-quinolylamino)propyl]piperazine, 210-12°; 2,5-dimethyl-1,4-bis[3-(7-methoxy-4-quinolylamino)propyl]piperazine, 216°; 1,4-bis[3-(3-methyl-7-chloro-4-quinolylamino)propyl] piperazine, 198°; 1,4-bis[3-(7-chloro-4-quinolylamino)propyl]hexahydrodiazepine, 186°;  1-[2(7-chloro-4-quinolylamino)propyl]-4-[2-(7-methoxy-4-quinolylamino)propyl]piperazine, 206-8°; 1,4-bis[3-(3-methyl-5-chloro-4- quinolylamino)propyl]piperazine, 96°; 1 – [2 -[2 -(p – chlorophenyl)- 7- chloro- 4- quinolylamino]propyl] -4 – [2 – (7 – chloro – 4-quinolylamino)propyl]piperazine, 230-2°; L(+) 1,4-bis[2-(7-chloro-4-quinolylamino)propyl]piperazine, 250-1°, [α]23.5D + 382° ± 1° (c 4, 50/50 MeOH-H2O); L(+)-7-chloro-4-(3-hydroxy-2-propylamino)quinoline, 223-4°, [α]24D 28.5° ± 2° (c 1, EtOH); L(+)-7-chloro-4-(3-chloro-2-propylamino)quinoline, 146-7°, [α]24D 103° + 1° (c 2, EtOH); L(+)-7-chloro-4-(3-piperazino-2-propylamino)quinoline 128-30°, [α]23D 139° ± 1° (c 2, EtOH); D(–)-1,4-bis[2-(7-chloro-4-quinolylamino)propyl]piperazine, 250-1°, [α]25D -382° ± 1° (c 4, 50:50 MeOH-H2O); meso- 1,4 – bis [2 – (7 – chloro – 4 – quinolylamino)propyl] piperazine, 270-1°.

Patent Information

BE 612207

Publication Number TitlePriority Date Grant Date
US-2016045487-A1Compositions and methods for treating neuropathy2013-03-27 
WO-2014160811-A1Compositions and methods for treating neuropathy2013-03-27 
AU-2014234258-A1Piperaquine microcapsules and compositions containing them2013-03-22 
AU-2014234258-B2Piperaquine microcapsules and compositions containing them2013-03-222019-02-14
CA-2907628-A1Piperaquine microcapsules and compositions containing them2013-03-22
Publication Number TitlePriority Date Grant Date
EP-2976069-A1Piperaquine microcapsules and compositions containing them2013-03-22 
EP-2976069-B1Piperaquine microcapsules and compositions containing them2013-03-222020-05-06
US-2014322296-A1Piperaquine microcapsules and compositions containing them2013-03-22 
US-2016045447-A1Piperaquine microcapsules and compositions containing them2013-03-22 
US-9668979-B2Piperaquine microcapsules and compositions containing them2013-03-222017-06-06
Publication Number TitlePriority Date Grant Date
WO-2014147242-A1Piperaquine microcapsules and compositions containing them2013-03-22 
AU-2009215107-A1Treatments for neuropathy2008-02-12 
AU-2009215107-B2Treatments for neuropathy2008-02-122013-05-09
AU-2013203934-A1Treatments for neuropathy2008-02-12 
CA-2714676-A1Treatments for neuropathy2008-02-12
Publication Number TitlePriority Date Grant Date
CA-2714676-CTreatments for neuropathy2008-02-122015-04-14
EP-2240177-A2Treatments for neuropathy2008-02-12 
US-2009203735-A1Treatments for neuropathy2008-02-12 
US-2011086878-A1Treatments for Neuropathy2008-02-12 
US-2016058749-A1Treatments for neuropathy2008-02-12

////////////////Dichlorquinazine, BRN 0867697, Dichlorquinazine, EINECS 234-130-6, NSC 129790, RP 12278, UNII-HT3GAD2SCM, WR 3863

CC(C)(NC1=C2C=CC(=CC2=NC=C1)Cl)N3CCN(CC3)C(C)(C)NC4=C5C=CC(=CC5=NC=C4)Cl

WRONG

CC(CN1CCN(CC(C)Nc2ccnc3cc(Cl)ccc23)CC1)Nc4ccnc5cc(Cl)ccc45.CS(=O)(=O)O

AND

Clc1ccc2c(c1)nccc2NC(C)CN1CCN(CC(C)Nc2ccnc3cc(Cl)ccc32)CC1

CORRECT

wdt-9

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DR ANTHONY CRASTO

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DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO, Born in Mumbai in 1964 and graduated from Mumbai University, Completed his Ph.D from ICT, 1991,Matunga, Mumbai, India, in Organic Chemistry, The thesis topic was Synthesis of Novel Pyrethroid Analogues, Currently he is working with GLENMARK LIFE SCIENCES LTD, Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 30 plus yrs, Prior to joining Glenmark, he has worked with major multinationals like Hoechst Marion Roussel, now Sanofi, Searle India Ltd, now RPG lifesciences, etc. He has worked with notable scientists like Dr K Nagarajan, Dr Ralph Stapel, Prof S Seshadri, Dr T.V. Radhakrishnan and Dr B. K. Kulkarni, etc, He did custom synthesis for major multinationals in his career like BASF, Novartis, Sanofi, etc., He has worked in Discovery, Natural products, Bulk drugs, Generics, Intermediates, Fine chemicals, Neutraceuticals, GMP, Scaleups, etc, he is now helping millions, has 9 million plus hits on Google on all Organic chemistry websites. His friends call him Open superstar worlddrugtracker. His New Drug Approvals, Green Chemistry International, All about drugs, Eurekamoments, Organic spectroscopy international, etc in organic chemistry are some most read blogs He has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 30 PLUS year tenure till date June 2021, Around 35 plus products in his career. He has good knowledge of IPM, GMP, Regulatory aspects, he has several International patents published worldwide . He has good proficiency in Technology transfer, Spectroscopy, Stereochemistry, Synthesis, Polymorphism etc., He suffered a paralytic stroke/ Acute Transverse mylitis in Dec 2007 and is 90 %Paralysed, He is bound to a wheelchair, this seems to have injected feul in him to help chemists all around the world, he is more active than before and is pushing boundaries, He has 9 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 90 Lakh plus views on dozen plus blogs, 233 countries, 7 continents, He makes himself available to all, contact him on +91 9323115463, email amcrasto@gmail.com, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 33 lakh plus views on New Drug Approvals Blog in 233 countries......https://newdrugapprovals.wordpress.com/ , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc

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