| Patent Number |
Title Of Patent |
Date Issued |
| 8143052 |
Process for preparing optically active (S or R)-.alpha. amino acid and (R or S)-.alpha. amino ac |
March 27, 2012 |
| The present invention discloses a process for preparing an optically active (S or R)-.alpha.-amino acid represented by the formula (II): ##STR00001## wherein R represents an alkyl group, alkenyl group, alkynyl group, cycloalkyl group, aralkyl group, heteroarylalkyl group, aryl gro |
| 7915019 |
Processes for preparing optically active (S or R)-.beta.-amino acid and optically active (R or S |
March 29, 2011 |
| A process for preparing an optically active (S or R)-.beta.-amino acid represented by formula (II): ##STR00001## wherein R represents an alkyl group, alkenyl group, alkynyl group, cycloalkyl group, aralkyl group, aryl group or heteroaryl group each of which may have a substituent( |
| 7449325 |
Process for enzymatically producing either optically active N-substituted .beta.-amino acids or |
November 11, 2008 |
| The present invention discloses a process which comprises selectively hydrolyzing one enantiomer of racemic mixtures of an N-substituted .beta.-amino acid alkyl ester or N-substituted 2-homopipecolic acid ester represented by the formula (I): ##STR00001## wherein Ar, R.sup.1, R.su |
| 7332632 |
Method for producing aldehyde compound or ketone compound by using microreactor |
February 19, 2008 |
| The method for producing an aldehyde or ketone compound from a corresponding primary or secondary alcohol at relatively high temperature within a short time with a high yield including a step (1) of reacting a sulfoxide compound with an activating agent to produce an activation react |
| 6916792 |
Process for preparing erythromycin compound |
July 12, 2005 |
| The present invention is to provide a process for producing a 2'-O-acetyl-4"-formyl-8,9-anhydroerythromycin A 6,9-hemiketal compound 4, and it provide a process for producing an erythromycin compound which comprises reacting a formylating agent with a 2'-O-acetylerythromycin A compou |
| 6906039 |
Process for preparation of erythromycin compounds |
June 14, 2005 |
| The present invention is to provide a process for producing a 2'-O-acetyl-4"-O-formyl-8,9-anhydroerythromycin A 6,9-hemiketal compound 4, and it provide a process for producing an erythromycin compound which comprises reacting a formylating agent with a 2'-O-acetylerythromycin A comp |
| 6723860 |
7a-alkoxy-4H-pyrano[3,2-d]-oxazol-2(3H)-one and process for producing the same |
April 20, 2004 |
| The present invention provides a novel 7a-alkoxy-4H-pyrano-[3,2-d]-oxazol-2(3H)-one represented by the formula (I): ##STR1##wherein R.sup.1 and R.sup.2 each represent a hydrogen atom, an alkyl group, an alkenyl group, an aryl group or an aralkyl group; R.sup.3 represents an alkyl |
| 6100239 |
13-membered ring macrolide compound, medicine containing the same, and process for producing the |
August 8, 2000 |
| The present invention discloses the compound represented by the formula (I) ##STR1## wherein R.sub.1 and R.sub.2 are hydrogen atoms, R.sub.3 represents a hydrogen atom, a hydroxyl group or an amino group, or R.sub.2 and R.sub.3 in combination represent .dbd.O or .dbd.NOR.sub.11, wher |
| 6020496 |
5-alkoxy-2(3H)-oxazolone compounds and process for preparing the same |
February 1, 2000 |
| 5-Alkoxy-2(3H)-oxazolone compounds represented by general formula (1); and a R.sup.1 process for the preparation thereof, wherein R.sup.1 is hydrogen, optionally substituted C.sub.1 -C.sub.10 alkyl, optionally substituted C.sub.3 -C.sub.10 cycloalkyl, optionally substituted C.sub.2 - |
| 5874581 |
2-silyloxy-tetrahydrothienopyridine, salt thereof and process for preparing the same |
February 23, 1999 |
| A 2-silyloxy-4,5,6,7-tetrahydrothieno[3,2-c]pyridine represented by the formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represent an alkyl group having 1 to 10 carbon atoms or an aryl group,and a salt thereof and a process for preparing the same, and a |
