4-Hydrazinyl-5,6-dimethylthieno[2,3-d]pyrimidine

Base Information

• Chemical Name: 4-Hydrazinyl-5,6-dimethylthieno[2,3-d]pyrimidine
• CAS No.: 63894-54-2
• Molecular Formula: C8H10 N4 S
• Molecular Weight: 194.26
• Hs Code.: 2934999090
• DSSTox Substance ID: DTXSID00352137
• Wikidata: Q82129133

Synonyms:63894-54-2;4-hydrazinyl-5,6-dimethylthieno[2,3-d]pyrimidine;(5,6-Dimethyl-thieno[2,3-d]pyrimidin-4-yl)-hydrazine;4-hydrazino-5,6-dimethylthieno[2,3-d]pyrimidine;(5,6-dimethylthieno[2,3-d]pyrimidin-4-yl)hydrazine;MFCD01628087;SCHEMBL6711629;DTXSID00352137;BBL012360;STK741307;AKOS000116229;AS-69219;BB 0219297;CS-0219293;FT-0688003;EN300-03614;F81483;J-501531;(5,6-dimethyl-thieno[2,3-d]pyrimidin4-yl)-hydrazine;Thieno[2,3-d]pyrimidine, 4-hydrazino-5,6-dimethyl-;Z56851250;F1727-0124;(5,6-Dimethyl-thieno[2,3-d]pyrimidin-4-yl)-hydrazine,97%;(5,6-Dimethyl-thieno[2,3-d]pyrimidin-4-yl)-hydrazine, AldrichCPR

Chemical Property of 4-Hydrazinyl-5,6-dimethylthieno[2,3-d]pyrimidine

Chemical Property:

• Vapor Pressure: 1.93E-07mmHg at 25°C
• Boiling Point: 425.4°C at 760 mmHg
• Flash Point: 211°C
• PSA: 92.07000
• Density: 1.401g/cm³
• LogP: 2.36700
• Storage Temp.: 2-8°C
• XLogP3: 1.9
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 1
• Exact Mass: 194.06261751
• Heavy Atom Count: 13
• Complexity: 189

Purity/Quality:

97% ^*data from raw suppliers

4-Hydrazinyl-5,6-dimethylthieno[2,3-d]pyrimidine ^*data from reagent suppliers

Safty Information:

• Statements: 20/21/22
• Safety Statements: 36/37/39

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=C(SC2=NC=NC(=C12)NN)C

Technology Process of 4-Hydrazinyl-5,6-dimethylthieno[2,3-d]pyrimidine

There total 4 articles about 4-Hydrazinyl-5,6-dimethylthieno[2,3-d]pyrimidine which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 73.0%

4-chloro-5,6-dimethyl-thieno[2,3-d]pyrimidine (108831-68-1) → 4-Hydrazino-5,6-dimethylthieno<2,3-d>pyrimidine (63894-54-2)

Guidance literature:

With hydrazine hydrate; In methanol; water; for 8h; Reflux;

DOI:10.1016/j.ejmech.2016.07.035

Reference yield:

2-amino-4,5-dimethyl-3-thiophenecarboxylic acid ethyl ester (4815-24-1) → 4-Hydrazino-5,6-dimethylthieno<2,3-d>pyrimidine (63894-54-2)

Guidance literature:

Multi-step reaction with 3 steps

1: Reflux

2: trichlorophosphate / Reflux

3: hydrazine hydrate / water; methanol / 8 h / Reflux

With hydrazine hydrate; trichlorophosphate; In methanol; water;

DOI:10.1016/j.ejmech.2016.07.035

Reference yield:

5,6-dimethylthieno<2,3-d>pyrimidin-4(3H)-one (18593-44-7) → 4-Hydrazino-5,6-dimethylthieno<2,3-d>pyrimidine (63894-54-2)

Guidance literature:

Multi-step reaction with 2 steps

1: trichlorophosphate / Reflux

2: hydrazine hydrate / water; methanol / 8 h / Reflux

With hydrazine hydrate; trichlorophosphate; In methanol; water;

DOI:10.1016/j.ejmech.2016.07.035

upstream raw materials:

2-amino-4,5-dimethyl-3-thiophenecarboxylic acid ethyl ester

5,6-dimethylthieno<2,3-d>pyrimidin-4(3H)-one

4-chloro-5,6-dimethyl-thieno[2,3-d]pyrimidine

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