SU511009A3 - Способ получени дисульфида 2,2"-дитиазолила - Google Patents
Способ получени дисульфида 2,2"-дитиазолилаInfo
- Publication number
- SU511009A3 SU511009A3 SU1967998A SU1967998A SU511009A3 SU 511009 A3 SU511009 A3 SU 511009A3 SU 1967998 A SU1967998 A SU 1967998A SU 1967998 A SU1967998 A SU 1967998A SU 511009 A3 SU511009 A3 SU 511009A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- disulfide
- bis
- carbon atoms
- alkyl
- thiazolyl
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 22
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 title claims description 14
- 125000000217 alkyl group Chemical group 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 16
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 12
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 8
- 125000003545 alkoxy group Chemical group 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- OCVLSHAVSIYKLI-UHFFFAOYSA-N 3h-1,3-thiazole-2-thione Chemical compound SC1=NC=CS1 OCVLSHAVSIYKLI-UHFFFAOYSA-N 0.000 claims description 6
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 6
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 6
- -1 (4-ethylthiazole) Disulfide Chemical compound 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 2
- 125000001475 halogen functional group Chemical group 0.000 claims description 2
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 125000000335 thiazolyl group Chemical group 0.000 claims 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 2
- WRAPYPVHEAQARO-UHFFFAOYSA-N 3-methylsulfanyl-1h-pyrrole Chemical compound CSC=1C=CNC=1 WRAPYPVHEAQARO-UHFFFAOYSA-N 0.000 claims 1
- OMYFBEIIHSASAN-UHFFFAOYSA-N 4-(3-chlorophenyl)-2-[[4-(3-chlorophenyl)-1,3-thiazol-2-yl]disulfanyl]-1,3-thiazole Chemical compound ClC1=CC=CC(C=2N=C(SSC=3SC=C(N=3)C=3C=C(Cl)C=CC=3)SC=2)=C1 OMYFBEIIHSASAN-UHFFFAOYSA-N 0.000 claims 1
- GOPRMBHTKDYCPR-UHFFFAOYSA-N 4-(4-bromophenyl)-2-[[4-(4-bromophenyl)-1,3-thiazol-2-yl]disulfanyl]-1,3-thiazole Chemical compound C1=CC(Br)=CC=C1C1=CSC(SSC=2SC=C(N=2)C=2C=CC(Br)=CC=2)=N1 GOPRMBHTKDYCPR-UHFFFAOYSA-N 0.000 claims 1
- GOEGRIARBAYKIU-UHFFFAOYSA-N 4-methoxy-2-[(4-methoxy-1,3-benzothiazol-2-yl)disulfanyl]-1,3-benzothiazole Chemical compound C1=CC=C2SC(SSC=3SC=4C=CC=C(C=4N=3)OC)=NC2=C1OC GOEGRIARBAYKIU-UHFFFAOYSA-N 0.000 claims 1
- SSQNKTBATJCFLF-UHFFFAOYSA-N 4-methyl-2-[(4-methyl-1,3-benzothiazol-2-yl)disulfanyl]-1,3-benzothiazole Chemical compound C1=CC=C2SC(SSC=3SC=4C=CC=C(C=4N=3)C)=NC2=C1C SSQNKTBATJCFLF-UHFFFAOYSA-N 0.000 claims 1
- SRJKHNTVCHLOIA-UHFFFAOYSA-N 5-chloro-2-[(5-chloro-1,3-benzothiazol-2-yl)disulfanyl]-1,3-benzothiazole Chemical compound ClC1=CC=C2SC(SSC=3SC4=CC=C(C=C4N=3)Cl)=NC2=C1 SRJKHNTVCHLOIA-UHFFFAOYSA-N 0.000 claims 1
- FFZTYEGKPYSSRG-UHFFFAOYSA-N 5-chloro-2-[(5-chloro-4-nitro-1,3-benzothiazol-2-yl)disulfanyl]-4-nitro-1,3-benzothiazole Chemical compound ClC1=CC=C2SC(SSC=3SC=4C=CC(Cl)=C(C=4N=3)[N+](=O)[O-])=NC2=C1[N+]([O-])=O FFZTYEGKPYSSRG-UHFFFAOYSA-N 0.000 claims 1
- XMNCMRKSWXKXMU-UHFFFAOYSA-N 5-chloro-2-[(5-chloro-6-nitro-1,3-benzothiazol-2-yl)disulfanyl]-6-nitro-1,3-benzothiazole Chemical compound ClC1=C([N+]([O-])=O)C=C2SC(SSC=3SC=4C=C(C(=CC=4N=3)Cl)[N+](=O)[O-])=NC2=C1 XMNCMRKSWXKXMU-UHFFFAOYSA-N 0.000 claims 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- 150000002019 disulfides Chemical class 0.000 claims 1
- 239000002244 precipitate Substances 0.000 description 5
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 5
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 150000003573 thiols Chemical class 0.000 description 2
- MSXVEPNJUHWQHW-UHFFFAOYSA-N 2-methylbutan-2-ol Chemical compound CCC(C)(C)O MSXVEPNJUHWQHW-UHFFFAOYSA-N 0.000 description 1
- MLRAMCAHIWHWRM-UHFFFAOYSA-N 5-(1,2-thiazol-5-yldisulfanyl)-1,2-thiazole Chemical compound C=1C=NSC=1SSC1=CC=NS1 MLRAMCAHIWHWRM-UHFFFAOYSA-N 0.000 description 1
- JYNTUIIZRRKCJZ-UHFFFAOYSA-N ClCl(=O)(=O)=O Chemical compound ClCl(=O)(=O)=O JYNTUIIZRRKCJZ-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 1
- OTFQZXXGENGJOF-UHFFFAOYSA-N [I].OO Chemical compound [I].OO OTFQZXXGENGJOF-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- MPMSMUBQXQALQI-UHFFFAOYSA-N cobalt phthalocyanine Chemical compound [Co+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 MPMSMUBQXQALQI-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical class OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/60—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings condensed with carbocyclic rings or ring systems
- C07D277/62—Benzothiazoles
- C07D277/68—Benzothiazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
- C07D277/70—Sulfur atoms
- C07D277/76—Sulfur atoms attached to a second hetero atom
- C07D277/78—Sulfur atoms attached to a second hetero atom to a second sulphur atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/32—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D277/36—Sulfur atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
- C08K5/47—Thiazoles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Thiazole And Isothizaole Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7239514A FR2205900A5 (US20080293856A1-20081127-C00127.png) | 1972-11-08 | 1972-11-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
SU511009A3 true SU511009A3 (ru) | 1976-04-15 |
Family
ID=9106816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1967998A SU511009A3 (ru) | 1972-11-08 | 1973-11-06 | Способ получени дисульфида 2,2"-дитиазолила |
Country Status (20)
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4143045A (en) * | 1975-12-03 | 1979-03-06 | The Goodyear Tire & Rubber Company | Method of preparing dibenzothiazolyl disulfides |
DE2944225A1 (de) * | 1979-11-02 | 1981-05-07 | Akzo Gmbh, 5600 Wuppertal | Verfahren zur herstellung von dithiazoldisulfiden |
DE3113298A1 (de) * | 1981-04-02 | 1982-10-21 | Akzo Gmbh, 5600 Wuppertal | Verfahren zur herstellung von dithiazolyldisulfiden |
ES2155228T3 (es) | 1996-07-11 | 2001-05-01 | Bridgestone Corp | Composicion de caucho para banda de rodadura de un neumatico y neumatico que comprende dicha composicion. |
EP0818499B1 (en) * | 1996-07-11 | 2000-05-03 | Bridgestone Corporation | Pneumatic tire |
DE69813682T2 (de) | 1997-07-11 | 2003-10-16 | Bridgestone Corp., Tokio/Tokyo | Luftreifen |
DE19856439A1 (de) * | 1998-12-08 | 2000-06-15 | Bayer Ag | Verfahren zur Herstellung von Dithiazolyldisulfiden |
CN117720480B (zh) * | 2023-12-20 | 2024-06-18 | 平乡县丰业橡胶助剂有限公司 | 一种高纯度橡胶硫化促进剂dm及其制备方法 |
-
1972
- 1972-11-08 FR FR7239514A patent/FR2205900A5/fr not_active Expired
-
1973
- 1973-10-31 NL NL7314963A patent/NL7314963A/xx unknown
- 1973-11-05 BR BR8593/73A patent/BR7308593D0/pt unknown
- 1973-11-06 ZA ZA738517A patent/ZA738517B/xx unknown
- 1973-11-06 IN IN2442/CAL/1973A patent/IN140355B/en unknown
- 1973-11-06 AU AU62229/73A patent/AU464873B2/en not_active Expired
- 1973-11-06 JP JP48124885A patent/JPS5239828B2/ja not_active Expired
- 1973-11-06 CA CA185,169A patent/CA1008453A/fr not_active Expired
- 1973-11-06 SU SU1967998A patent/SU511009A3/ru active
- 1973-11-06 DD DD174482*A patent/DD107465A5/xx unknown
- 1973-11-07 AR AR250886A patent/AR201293A1/es active
- 1973-11-07 US US413574A patent/US3925401A/en not_active Expired - Lifetime
- 1973-11-07 BE BE137513A patent/BE807037A/xx unknown
- 1973-11-07 GB GB5170073A patent/GB1412898A/en not_active Expired
- 1973-11-07 CH CH1561273A patent/CH584710A5/xx not_active IP Right Cessation
- 1973-11-07 CS CS7643A patent/CS168050B2/cs unknown
- 1973-11-08 ES ES420375A patent/ES420375A1/es not_active Expired
- 1973-11-08 IT IT31086/73A patent/IT1001669B/it active
- 1973-11-08 DE DE2355897A patent/DE2355897C3/de not_active Expired
- 1973-11-08 PL PL1973166396A patent/PL81776B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
BR7308593D0 (pt) | 1974-08-29 |
PL81776B1 (US20080293856A1-20081127-C00127.png) | 1975-08-30 |
CS168050B2 (US20080293856A1-20081127-C00127.png) | 1976-05-28 |
ZA738517B (en) | 1974-09-25 |
DE2355897A1 (de) | 1974-05-22 |
GB1412898A (en) | 1975-11-05 |
NL7314963A (US20080293856A1-20081127-C00127.png) | 1974-05-10 |
DE2355897B2 (de) | 1977-08-11 |
IN140355B (US20080293856A1-20081127-C00127.png) | 1976-10-23 |
AU464873B2 (en) | 1975-09-11 |
AR201293A1 (es) | 1975-02-28 |
JPS4993361A (US20080293856A1-20081127-C00127.png) | 1974-09-05 |
CA1008453A (fr) | 1977-04-12 |
ES420375A1 (es) | 1976-04-16 |
CH584710A5 (US20080293856A1-20081127-C00127.png) | 1977-02-15 |
AU6222973A (en) | 1975-05-08 |
BE807037A (fr) | 1974-05-07 |
US3925401A (en) | 1975-12-09 |
DE2355897C3 (de) | 1978-05-11 |
DD107465A5 (US20080293856A1-20081127-C00127.png) | 1974-08-05 |
IT1001669B (it) | 1976-04-30 |
FR2205900A5 (US20080293856A1-20081127-C00127.png) | 1974-05-31 |
JPS5239828B2 (US20080293856A1-20081127-C00127.png) | 1977-10-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2773070A (en) | Catalytic process for producing alkylene carbonates | |
US4009122A (en) | Novel glycol soluble molybdenum catalysts and method of preparation | |
SU511009A3 (ru) | Способ получени дисульфида 2,2"-дитиазолила | |
US3117166A (en) | Peroxy derivatives of 2, 5-dimethylhexane-2, 5-dihydroperoxide | |
US3153094A (en) | Nitrosamine manufacture | |
US3663562A (en) | Process for the production of 2-mercapto-benzothiazole | |
US3025305A (en) | Cyclic carbonate from olefin | |
US3256284A (en) | Oxamide derivatives | |
US4172092A (en) | Production of thiocarbohydrazide | |
US3652563A (en) | 2-oxo-hexahydropyrimidyl-n n'-alkanoic acids | |
US3962330A (en) | Process for the preparation of 6-demethyl-6-deoxy-6-methylene-tetracyclines | |
US2947781A (en) | Reduction process for preparing aromatic p-amino compounds | |
US2965681A (en) | Oxidative coupling of paranitrotoluene | |
JPS5949217B2 (ja) | 置換ジフェニルエ−テルの製造方法 | |
US3506660A (en) | Production of tris-(n-beta-hydroxyalkyl)-isocyanuric acids | |
US3364215A (en) | Nitroso and nitro triazine derivatives | |
US2772279A (en) | Preparation of sulfenamides | |
US2273269A (en) | Preparation of organic esters | |
Shinkai et al. | Coenzyme models. 50. Elavin activation by intramolecular acid catalysis at N (1) position. | |
US2816909A (en) | Production of 2-nitroesters | |
US3903108A (en) | Production of 2-arylindoles | |
JPS61229873A (ja) | 2‐メルカプトベンゾオキサゾールの製法 | |
US3574698A (en) | Preparation of salts of 2-mercaptoethylamines and their s-acyl analogs | |
US3734929A (en) | Hexahydro-3,3,6,6-tetramethylfluro-(3,2-b)-furan-2,5-dione and method of its preparation | |
US2796425A (en) | Dithiocyano-1, 4-naphthoquinones and method for preparing same |