Detail of "18680-27-8"

CAS Number:
18680-27-8
Name:
(1S,2S,3R,5S)-(+)-2,3-Pinanediol
Molecular Structure:
Formula:
C₁₀H₁₈O₂
Molecular Weight:
170.25
Synonyms:
Pinanediol;(1S,2S,3R,5S)-2,3-Pinanediol;(1S, 2S, 3R, 5S)-(+)Pinanediol;(1S,2S,3R,5S)-(+)Pinanediol;(+)-2,3-Pinanediol;(+)-Pinanediol;
Density:
1.091 g/cm³
Melting Point:
57-59 °C(lit.)
Boiling Point:
263.738 °C at 760 mmHg
Flash Point:
120.838 °C
Appearance:
white to light beige crystalline powder, crystals
Safety:
24/25 Details

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Reference

Enantiotopic Differentiation of pro-R or pro-S Chlorides in (Dichloromethyl)borates by Chiral Lewis Acids: Enantioselective Synthesis of (a-Chloroalkyl)boronates: Enantiotopic Differentiation of pro-R or pro-S Chlorides in (Dichloromethyl)borates by Chiral Lewis Acids: Enantioselective Synthesis of (a-Chloroalkyl)boronates. Jadhav, Prabhakar K.; Man, Hon-Wah (Chemical and Physical Sciences Department, Du Pont Merck Pharmaceutical Company, Wilmington, DE 19880-0500, USA). Journal of the American Chemical Society, 119(4), 846-847 (English) 1997 American Chemical Society.Chemicals with cas numbers 83622-41-7 and 18680-27-8 also play role. CODEN: JACSAT. ISSN: 0002-7863. DOCUMENT TYPE: Journal CA Section: 29 (Organometallic and Organometalloidal Compounds) The 1,2-migration reaction of an alkyl group in borate complexes, I (e.g. R = Bu), derived from dichloromethyl pinacol boronates and alkyllithium was catalyzed by chiral Lewis acids capable of enantiotopic differentiation of Pro (R) or Pro (S) chloride groups on an sp3 C center. It takes place with an enantiomeric ratio of to provide a-chloroalkylboronates, II, in 70-75% chem. yields. Chiral Lewis acids examd. in this study were prepd. in situ from ZnEt2, Yb(OTf)3, Cu(OTf)2, Zn(OTf)2 or Lu(OTf)3 and chiral ligands including amino alcs. and bisoxazolines. Highest enantioselectivity (88% ee) was obsd. with the chiral Lewis acid derived from Yb(OTf)3 and bisoxazoline III. This is the 1st example of a chiral Lewis acid catalyzed enantioselective 1,2-migration reaction of dichloromethylborate complexes. .

Detail of "18680-27-8"

(1S,2S,3R,5S)-(+)-2,3-Pinanediol

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CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

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CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

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CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

CAS No.18680-27-8 (1S,2S,3R,5S)-(+)-2,3-Pinanediol

Reference