6-methyl-5,6-dihydrothieno[2,3-b]thiopyran-4-one

6-methyl-5,6-dihydrothieno[2,3-b]thiopyran-4-one - Names and Identifiers

Name	4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S)-
Synonyms	Dorzolamide Impurity 40 4H-THIENO[2,3-B]THIOPYRAN-4-ONE Dorzolamide hydrochloride seventh step 6-methyl-5,6-dihydrothieno[2,3-b]thiopyran-4-one (2S)-2-Methyl-2H,3H,4H-thieno[2,3-b]thiopyran-4-one (6s)-6-Methyl-4h,5h,6h-thieno[2,3-b]thiopyran-4-one (6S)-5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one (6S)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-one 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S) 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S)-
CAS	147086-79-1
EINECS	682-527-1
InChI	InChI=1/C8H8OS2/c1-5-4-7(9)6-2-3-10-8(6)11-5/h2-3,5H,4H2,1H3/t5-/m0/s1

6-methyl-5,6-dihydrothieno[2,3-b]thiopyran-4-one - Physico-chemical Properties

Molecular Formula	C8H8OS2
Molar Mass	184.28
Density	1.300
Boling Point	307.5±31.0 °C(Predicted)
Flash Point	139.8°C
Vapor Presure	0.000722mmHg at 25°C
Storage Condition	2-8°C
Refractive Index	1.62

6-methyl-5,6-dihydrothieno[2,3-b]thiopyran-4-one - Introduction

4H-Thieno[2,3-b]thiopyran-4-one-, 5,6-dihydro-6-methyl-, (6S)-, also known as 2-2 '-bis-Methylenedianiline, is an organic compound. It is a solid and appears as a white crystal at normal temperature. 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S)-has high thermal stability and electrical conductivity.

4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S)-is mainly used as a semiconductor material in organic electronic devices. Because of its excellent conductivity and stability, it is widely used in organic solar cells, organic light-emitting diodes (OLED) and organic field-effect transistors (OFET) and other fields.

The preparation method of 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S)-is relatively complicated and is generally synthesized by organic synthesis method. One of the synthesis methods is through the methylene reaction, first the diphenylamine and formaldehyde in alkaline conditions, and then dehydration and hydrogenation reaction to obtain the final product.

Pay attention to safety issues when using 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S). It may cause irritation to the skin, eyes and respiratory system, so wear appropriate personal protective equipment during operation. In addition, 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S)-should be kept away from fire and heat sources and stored in a cool, dry place. Please follow the correct operating procedures and safety standards for use.

Last Update：2024-04-09 21:04:16