Benzo[b]selenophene

Base Information

• Chemical Name: Benzo[b]selenophene
• CAS No.: 272-30-0
• Molecular Formula: C8H6Se
• Molecular Weight: 181.096
• Hs Code.: 29310099
• Mol file: 272-30-0.mol

Synonyms:Selenanaphthene;Selenonaphthen;Selenonaphthene;1-Benzoselenophene;

Chemical Property of Benzo[b]selenophene

Chemical Property:

• Vapor Pressure: 0.078mmHg at 25°C
• Melting Point: 45-50 °C
• Boiling Point: 235.1 °C at 760 mmHg
• Flash Point: 96 °C
• PSA: 0.00000
• LogP: 1.89680

Purity/Quality:

99%, ^*data from raw suppliers

BENZO[B]SELENOPHENE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): N,T
• Hazard Codes: N-T
• Statements: 50/53-33-23/25
• Safety Statements: 61-60-45-28A-20/21

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Benzo[b]selenophene

There total 7 articles about Benzo[b]selenophene 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: 68.0%

3-phenyl-propenal (104-55-2) → styrene (100-42-5,25038-60-2,25247-68-1,28213-80-1,28325-75-9,79637-11-9,9003-53-6) + benzo[b]selenophene (272-30-0) + toluene (108-88-3,15644-74-3,16713-13-6) + benzene (71-43-2,26181-88-4,54682-86-9,13967-78-7,174973-66-1)

Guidance literature:

With dimethyl diselenide; at 630 ℃; for 0.666667h; Further byproducts given;

Reference yield: 32.8%

3-phenyl-propenal (104-55-2) → styrene (100-42-5,25038-60-2,25247-68-1,28213-80-1,28325-75-9,79637-11-9,9003-53-6) + benzo[b]selenophene (272-30-0) + naphthalene (91-20-3,71998-51-1,72931-45-4) + benzene (71-43-2,26181-88-4,54682-86-9,13967-78-7,174973-66-1)

Guidance literature:

With dimethyl diselenide; In gas; at 630 ℃; Further byproducts given. Yields of byproduct given;

DOI:10.1007/BF02495651

Reference yield: 21.0%

diphenyl diselenide (1666-13-3) + propargyl alcohol (107-19-7) → selenophene (288-05-1) + benzo[b]selenophene (272-30-0) + diphenylselenide (1132-39-4) + 1,2-diselenol-3-one (113478-77-6)

Guidance literature:

at 550 ℃;

upstream raw materials:

acetylene

allyl phenyl selenide

diphenyl diselenide

propargyl alcohol

Downstream raw materials:

dibenzo[b,d]selenophene

N-benzyloxycarbonyl 2-<3-benzoselenophenyl>glycine

Refernces

• 1、 Deryagina,Kochervin. "Convenient Method for Preparing Benzo[b]selenophene". . p. 1488 - 1488. Retrieved 2007/10/03.
• 2、 Russavskaya, N. V.,Korchevin, N. A.,Sukhomazova, E. N.,Turchaninova, L. P.,Deryagina, E. N.,Voronkov, M. G.. "HIGH-TEMPERATURE ORGANIC SYNTHESIS XXXVI. THERMOLYSIS OF PHENYL ORGANIC CHALCOGENIDES IN THE PRESENCE OF ACETYLENE". . p. 305 - 309. Retrieved 2007/10/02.