Detail of "6007-85-8"
- CAS Number:
- 6007-85-8
- Name:
1H,3H-Thieno[3,4-c]furan-1,3-dione
- Molecular Structure:
![Molecular Structure of 6007-85-8 (1H,3H-Thieno[3,4-c]furan-1,3-dione)](http://www.lookchem.com/300w/2010/0623/6007-85-8.jpg)
- Formula:
- C6H2O3S
- Molecular Weight:
- 154.13
- Synonyms:
- 3,4-Thiophenedicarboxylicanhydride (6CI,7CI,8CI);3,4-Thiophenedicarboxylic acid anhydride;NSC 241105;
- Density:
- 1.674 g/cm3
- Boiling Point:
- 306.4 °C at 760 mmHg
- Flash Point:
- 139.1 °C
1H,3H-Thieno[3,4-c]furan-1,3-dione
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Reference
- Procedure for preparing 4,5-dihydrodithieno[3,4-b:4',3'-e]azepine-5,9-dione
- Procedure for preparing 4,5-dihydrodithieno[3,4-b:4',3'-e]azepine-5,9-dione. Steiner, Gerd; Thyes, Marco (BASF A.-G. , Fed. Rep. Ger.). Ger. Offen. DE 3524743 A1 15 Jan 1987, 3 pp. (Germany) CODEN: GWXXBX. CLASS: ICM: C07D495-12. 107649-70-7 and 6007-85-8 are cas registry numbers of chemicals which are used as reagents here. APPLICATION: DE 85-3524743 11 Jul 1985. DOCUMENT TYPE: Patent CA Section: 28 (Heterocyclic Compounds (More Than One Hetero Atom)) The title compd. (I, R = H) was prepd. by subjecting the amide II to Friedel-Crafts cyclization and subsequently dechlorinating. Aminolysis of 3,4-thiophenedicarbocylic anhydride with 2,5-dichloro-3-aminothiophene gave 97% II which was esterified with N-hydroxysuccinimide and N,N'-dicyclohexylcarbodiimide to the activated ester. This was cyclized with AlCl3 in DMF to give 97% I (R = Cl), dechlorination of which with H over 10% Pd/C in 1-methyl-2-pyrrolidone/contg. NaOAc gave 85% I (R = H). .
- A new synthesis of naphtho[2,3-c]pyrroles
- A new synthesis of naphtho[2,3-c]pyrroles. Conversion of naphtho[2,3-c]thiophene-4,9-diones to naphtho[2,3-c]pyrrole-4,9-diones. Marecki, Paul E.; Butke, Gregory P. (SDS Biotech Corp., Painesville, OH 44077, USA). J. Heterocycl. Chem. 107-10-8 and 6007-85-8 are also in the experiment., 20(6), 1497-500 (English) 1983. CODEN: JHTCAD. ISSN: 0022-152X. DOCUMENT TYPE: Journal CA Section: 27 (Heterocyclic Compounds (One Hetero Atom)) Amination of naphthothiophenediones I with RNH2 (R = HOCH2CH2, Me2NCH2CH2, HOCH2CH2OCH2CH2, Pr) gave naphthopyrrolediones II. .