神马电影_午夜神马_午夜电影_神马午夜_欧美日韩中文字幕_欧美日韩在线播放_欧美日韩精品_中文字幕观看_欧美日韩中文字幕_欧美中文字幕视频_欧美日韩精品_欧美成人在线视频_欧美乱人伦中文字幕在线不卡_日韩免费高清专区_久久久久亚州?Ⅴ无码专区首_精品国偷自产在线不卡短视频_尹人久久大香找蕉综合影院中文字幕免费在线观看_欧美激情综合色综合啪啪五月

產品說明：

Description: (R)-(+)-DABN

Synonym
(R)-(+)-1,1′-Bi(2-naphthylamine)
(R)-(+)-1,1'-Binaphthalene-2,2'-diamine
(R)-(+)-2,2'-Diamino-1,1'-binaphthalene
(R)-(+)-DABN
Structural Formula:

Molecular Formula: H2NC10H6C10H6NH2
Molecular Weight: 284.35
CAS Number: 18741-85-0
Beilstein Registry Number: 5279621
MDL number: MFCD

Application
1,1′-Binaphthyl-2,2′-diamine derivatives have been used for asymmetric hydrogenations,1 cyclopropanations,2 and formation of chiral lactones.2 Used in the synthesis of chiral lactones.

Standards:
Assay(HPLC): 99%
[α]20/D +157°, c = 1 in pyridine
Melting Point: 240-242 °C
Loss on drying: 0.5%

Cited References
1. Miyano, S.et al. Bull. Chem. Soc. Jp. 57, 2171, (1984)
2. Chem. Abstr. 123, 101213k, (1995)
Beilstein Beil. 13,IV,480
Reference FT-IR 2 (2), 2125:A / FT-NMR 1 (2), 554:B / RegBook 1 (1), 1447:M / Structure Index 1, 226:D:3