SU192792A1 - - Google Patents

Info

Publication number

SU192792A1

SU192792A1 SU948828A SU948828A SU192792A1 SU 192792 A1 SU192792 A1 SU 192792A1 SU 948828 A SU948828 A SU 948828A SU 948828 A SU948828 A SU 948828A SU 192792 A1 SU192792 A1 SU 192792A1

Authority

SU

USSR - Soviet Union

Prior art keywords

precipitate

acid

solution

urea

mol

Prior art date

Links

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• QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 13
• CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
• MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 8
• 239000002244 precipitate Substances 0.000 description 8
• 239000002253 acid Substances 0.000 description 7
• 238000000034 method Methods 0.000 description 7
• VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 6
• XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 6
• 235000011114 ammonium hydroxide Nutrition 0.000 description 6
• 239000004202 carbamide Substances 0.000 description 6
• 239000000047 product Substances 0.000 description 6
• NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 5
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
• 229910021529 ammonia Inorganic materials 0.000 description 4
• 230000007935 neutral effect Effects 0.000 description 4
• UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
• 150000001408 amides Chemical class 0.000 description 3
• 238000001914 filtration Methods 0.000 description 3
• 238000002360 preparation method Methods 0.000 description 3
• 239000011541 reaction mixture Substances 0.000 description 3
• 239000000243 solution Substances 0.000 description 3
• 238000003756 stirring Methods 0.000 description 3
• 150000007513 acids Chemical class 0.000 description 2
• 239000000956 alloy Substances 0.000 description 2
• 229910045601 alloy Inorganic materials 0.000 description 2
• 230000002862 amidating effect Effects 0.000 description 2
• 239000007864 aqueous solution Substances 0.000 description 2
• 235000010290 biphenyl Nutrition 0.000 description 2
• 239000004305 biphenyl Substances 0.000 description 2
• 239000003795 chemical substances by application Substances 0.000 description 2
• USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
• -1 diphenyl tetracarboxylic acid Chemical class 0.000 description 2
• 239000012153 distilled water Substances 0.000 description 2
• 238000010438 heat treatment Methods 0.000 description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
• 229910052573 porcelain Inorganic materials 0.000 description 2
• CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
• 238000005406 washing Methods 0.000 description 2
• 230000015572 biosynthetic process Effects 0.000 description 1
• 238000001816 cooling Methods 0.000 description 1
• 230000007812 deficiency Effects 0.000 description 1
• 238000001035 drying Methods 0.000 description 1
• 238000000605 extraction Methods 0.000 description 1
• 239000011521 glass Substances 0.000 description 1
• 239000000155 melt Substances 0.000 description 1
• YNPFMWCWRVTGKJ-UHFFFAOYSA-N mianserin hydrochloride Chemical compound [H+].[Cl-].C1C2=CC=CC=C2N2CCN(C)CC2C2=CC=CC=C21 YNPFMWCWRVTGKJ-UHFFFAOYSA-N 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 239000002994 raw material Substances 0.000 description 1
• 238000010992 reflux Methods 0.000 description 1
• 239000013049 sediment Substances 0.000 description 1
• 238000004904 shortening Methods 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 150000000000 tetracarboxylic acids Chemical class 0.000 description 1