| abstract |
1. DERIVATIVES OF CARBOXYLIC ACIDS FROM THE GENERAL FORMULA: SEE FIGURE IN WHICH RA MEANS A HYDROGEN ATOM, A GROUP OF C1-5 ALKYL OR C1-3 PHENYLALKYL, IN WHICH CASE THE PART OF THE RENT MAY BE REPLACED WITH A GROUP OF CARBOXY, C1-3 CARBONYL ALCOXY, AMINO CARBONYL, N-ACHYL C1-3- AMINO CARBONYL, N, N-DI- (ALKYL C1-3- AMINO CARBONYL- N, N-Di- (ALKY C1-3- AMINO CARBONYL, VINYL OR ETHYNYL, OR ALSO, IF THE ABOVE SUBSTITUTES ARE NOT LOCATED IN A CARBON ATOM OR CONTAINED AT A NITROGEN ATOM, IT MAY BE SUBSTITUTED WITH A GROUP HYDROXY, ALCOXY, C1-3 - AMINO OR DI- (ALQUIL C1-3) AMINO, OR A SEPARABLE RADICAL IN VIVO, Rb AND Rc, WHICH MAY BE THE SAME AND DIFFERENT, MEAN IN EACH CASE A HYDROGEN ATOM OR THE SIDE CHAIN OF A DO-La -NATURAL AMINO ACID, AS WELL AS ITS ESTERS AND ETERS, A MEANS A GROUP-HCR1-HCR2 -, - CO-HCR1-, HCR1 -CO-, -NR3, -HCR1, -HCR1-HCR3-, NR2-CO-, NR3 -HCR1-HCR1 -CO, -CO-NR2-0-C0-, 0-HCR1 O CH R1-0-, IN WHICH RI REPRESENTS A HYDROGEN ATOM, A C1-3 RENT GROUP, FENYL-C1-3 RENT OR FENYL, R2 REPRESENTS A HYDROGEN ATOM, A C1-3 RENT OR FENYL ALKYL GROUP AND R3 REPRESENTS AN ATOM OF HYDROGEN, A GROUP ALKYL CI-3, FENYLALKYL C1-3, ALKYL C1-3 CARBONYL ALKYL C1-5 SULPHONYL, X1, X2, AND X3, WHICH MEAN EACH CASE AN ATOM OF NITROGEN OR A METHYL GROUP, IN WHICH, IN HETERO-CYCLIC RINGS MENTIONED ABOVE, IN WHICH X2 OR X3 OR OR X2 AND X3 REPRESENT IN EACH CASE A HYDROGEN-RING ATTACHMENT, MAY BE REPLACED BY A RING. , ... |