Arecatannin B1

Arecatannin B1

Other names Epicatechin-(4β→8)-epicatechin-(4β→6)-catechin
Identifiers
CAS number	79763-28-3^Y
ChemSpider	10290128^Y
Jmol-3D images	Image 1
SMILES Oc1ccc(cc1O)[C@H]9Oc2cc(O)cc(O)c2[C@H](c8c(O)cc(O)c3c8O[C@@H]([C@H](O)[C@H]3c6c(O)cc5O[C@H](c4ccc(O)c(O)c4)[C@@H](O)Cc5c6O)c7ccc(O)c(O)c7)[C@H]9O
InChI InChI=1S/C45H38O18/c46-18-10-26(53)33-32(11-18)62-43(16-2-5-21(48)24(51)8-16)40(59)37(33)35-27(54)13-28(55)36-38(41(60)44(63-45(35)36)17-3-6-22(49)25(52)9-17)34-29(56)14-31-19(39(34)58)12-30(57)42(61-31)15-1-4-20(47)23(50)7-15/h1-11,13-14,30,37-38,40-44,46-60H,12H2/t30-,37+,38-,40+,41+,42+,43+,44+/m0/s1^Y Key: PBYRKMXDROOXMU-XKDUFCMJSA-N^Y InChI=1/C45H38O18/c46-18-10-26(53)33-32(11-18)62-43(16-2-5-21(48)24(51)8-16)40(59)37(33)35-27(54)13-28(55)36-38(41(60)44(63-45(35)36)17-3-6-22(49)25(52)9-17)34-29(56)14-31-19(39(34)58)12-30(57)42(61-31)15-1-4-20(47)23(50)7-15/h1-11,13-14,30,37-38,40-44,46-60H,12H2/t30-,37+,38-,40+,41+,42+,43+,44+/m0/s1 Key: PBYRKMXDROOXMU-XKDUFCMJBX
Properties
Molecular formula	C₄₅H₃₈O₁₈
Molar mass	866.77 g/mol
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Arecatannin B1 is a B type proanthocyanidin found in the betel nut.^[1] It is an arecatannin trimer with a 4β→6 bond.

References

^ Screening of various plant extracts used in Ayurvedic medicine for inhibitory effects on human immunodeficiency virus type 1 (HIV-1) protease. Kusumoto I.T., Nakabayashi T., Kida H., Miyashiro H., Hattori M., Namba T. and Shimotohno K., PTR. Phytotherapy research, 1995, vol. 9, no3, pp. 180-184, INIST:3499215

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External links

Arecatannin B1 on http://herbdb.koushi.pref.okinawa.jp (Japanese)

v t e Types of procyanidins

A type proanthocyanidins	Dimers : Procyanidin A1 \| A2 \| Trimers:Cinnamtannin B1 \| Tetramers: Arecatannin A2

B type proanthocyanidins	Dimers : Procyanidin B1 \| B2 \| B3 \| B4 \| B5 \| B6 \| B8 Trimers: Arecatannin B1 (epicatechin-(4β→8)-epicatechin-(4β→6)-catechin) \| Procyanidin C1 (epicatechin-(4β→8)-epicatechin-(4β→8)-epicatechin)

Types	Arecatannins (Arecatannin A1 \| Arecatannin A3 \| Arecatannin B2 \| Arecatannin C1)

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Last modified on 18 May 2013, at 07:20