 | Royal institution of Great Britain - 1882 - 840 pages
...These reactions are thus represented : — 3. C6H6CH=CHCOOH C6H4(N02)CH=CH.COOH. CinDamic acid yields Ortho-nitro-cinnamic acid. In this process the para-acid...from one another. 4. This is next converted into the dibromido C0H4(NO2)CHBr . CHBrCOOH. 6. And by careful treatment with caustic soda this yields orthonitro-phenyl-propiol... | |
 | Sir Norman Lockyer - Electronic journals - 1881 - 664 pages
...CeH4(NOs)CHZCH.COOH. Cinnamic acid yields Ortho-nitro-cinnamic acid. In this process the para acid is also obtained, and as this is useless for the manufacture...: — 4. This is next converted into the dibromide C,H4(NO2)CHBr.CHBrCOOH. 5. And by careful treatment with caustic soda this yields orthonitro-phenyl-propiolic... | |
 | Sir Norman Lockyer - Electronic journals - 1881 - 872 pages
...C6H4(NOj)CHZCH.COOH. Cinnamic acid yields Ortho-nitro-cinnamic acid. In this process the para acid is also obtained, and as this is useless for the manufacture...: — 4. This is next converted into the dibromide C6H4(NO2)CHBr.CHBrCOOH. 5. And by careful treatment with caustic soda this yields orthonitro-phenyl-propiolic... | |
 | Sir Norman Lockyer - Electronic journals - 1881 - 658 pages
...— 3. C0H6CHZCHCOOH Cs Cinnamic acid yields Ortho-nitro-cinnamic acid. In this process the para acid is also obtained, and as this is useless for the manufacture...possessing different degrees of solubility, can be reedily separated from one another : — 4. This is next converted into the dibroinide C8H4(NOi)CHBr.CHBrCOOH.... | |
 | Royal Institution of Great Britain - Science - 1882 - 774 pages
...These reactions arc thus represented : — 8. C4H6CH=CHCOOH C6H4(N02)CH=CH.COOH. Cinnamic acid yields Ortho-nitro-cinnamic acid. In this process the para-acid is also obtained, and as this ii useless for the manufacture of indigo, it has to be removed. Thii is effected by converting the... | |
 | David M. Knight - Philosophy - 1998 - 642 pages
...agent. These reactions are thus represented: 3 C6H5CH=CHCOOH C6H4(NO2)CH=CH.COOH Cinnamic acid yields Ortho-nitro-cinnamic acid In this process the para-acid...another. 4 This is next converted into the dibromide C6H4(NO2)CHBr.CHBrCOOH 5 And by careful treatment with caustic soda this yields orthonitro-phenyl-propiolic... | |
 | Sir Norman Lockyer - Electronic journals - 1881 - 710 pages
...C,H4(NO2)CHi:CH.COOH. Cinnamic acid yields Ortho-nitro-cinnamic acid. In this process the para acid is also obtained, and as this is useless for the manufacture...: — 4. This is next converted into the dibromide C„H4(NO2)CHBr.CHBrCOOH. 5. And by careful treatment with caustic soda this yields orthonitro-phenyl-propiolic... | |
 | Electronic journals - 1881 - 668 pages
...C8H5CH=CIICOOII C6 Cinnamic Acid yields Orlho-iiilro-cinunmic Acid. In this process the paia- acid is also obtained and, as this is useless for the manufacture...This is effected by converting the acids into their ethyl-ethers which, possessing different degrees o£ solubility, can be readily separated from one... | |
 | Pharmacy - 1882 - 1144 pages
...thus represented : — 3. C,H,«'H CHCOOH ""yields" " C,H4(NO,ICH _-CH . COOH. Urtli»-nitr<> rlnnamk acid. In this process the para-acid is also obtained, and as this ii úseles, for the manufacture of indigo, it lias to be removed. This is effected by converting the... | |
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In this process the para-acid is also obtained, and as this is useless for the manufacture of indigo, it has to be removed. This is effected by converting the acids into their ethyl ethers, which, possessing different degrees of solubility, can be readily... 