Protosappanin B

Base Information

• Chemical Name: Protosappanin B
• CAS No.: 102036-29-3
• Molecular Formula: C16H16 O6
• Molecular Weight: 304.299
• DSSTox Substance ID: DTXSID401317139
• Wikidata: Q105226630
• Mol file: 102036-29-3.mol

Synonyms:protosappanin B

Chemical Property of Protosappanin B

Chemical Property:

• Boiling Point: 655.5±55.0 °C(Predicted)
• PKA: 9.20±0.40(Predicted)
• PSA: 110.38000
• Density: 1.507
• LogP: 1.12870
• Storage Temp.: 2-8°C
• XLogP3: 1
• Hydrogen Bond Donor Count: 5
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 1
• Exact Mass: 304.09468823
• Heavy Atom Count: 22
• Complexity: 391

Purity/Quality:

98% ^*data from raw suppliers

Protosappanin B ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1C2=CC(=C(C=C2C3=C(C=C(C=C3)O)OCC1(CO)O)O)O

Technology Process of Protosappanin B

There total 4 articles about Protosappanin B 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:

protosappanin E (130233-78-2,130321-82-3) → (+)-brazilin (474-07-7,23221-90-1,26138-10-3) + (7S,12aS)-7,8-dihydro-7-(hydroxymethyl)-6H-dibenz[b,d]oxocin-3,7,10,11-tetrol (102036-29-3)

Guidance literature:

With sodium tetrahydroborate; sodium carbonate; In methanol; Ambient temperature;

DOI:10.1248/cpb.38.1490

Reference yield:

C19H20O6 (111830-78-5) → protosappanin B (102036-29-3)

Guidance literature:

With acetic acid; at 60 ℃; for 3h;

Reference yield:

protosappanin C (111534-98-6) → protosappanin B (102036-29-3)

Guidance literature:

With sodium tetrahydroborate; In methanol; 1.) 0 deg C, 2.) room temp., 3 h;

upstream raw materials:

protosappanin E

protosappanin C

C₁₉H₂₀O₆

protosappanin C

Refernces

• 1、 Nagai, Masahiro,Nagumo, Seiji. "Protosappanin C from Sappan Lignum and Absolute Configuration of Protosappanins". . p. 3002 - 3005. Retrieved 2007/10/02.
• 2、 Namikoshi, Michio,Nakata, Hiroyuki,Nuno, Mariko,Ozawa, Takashi,Saitoh, Tamotsu. "Homoisoflavonoids and Related Compounds. III. Phenolic Constituents of Caesalpinia japonica SIEB. et ZUCC.". . p. 3568 - 3575. Retrieved 2007/10/02.